diff --git a/dev/tools/snakeCaseToCamelCase.sh b/dev/tools/snakeCaseToCamelCase.sh
new file mode 100755
index 00000000000..fa8a76cc613
--- /dev/null
+++ b/dev/tools/snakeCaseToCamelCase.sh
@@ -0,0 +1,130 @@
+#!/bin/bash
+
+## Need "rpl" package
+RPL_INSTALLED=$(dpkg -s rpl)
+if [[ -z ${RPL_INSTALLED} ]]; then
+    echo "This bash need rpl command, you can install it with: sudo apt install rpl"
+fi
+
+DIR_HTDOCS=$( cd "$( dirname "${BASH_SOURCE[0]}" )/../../htdocs" >/dev/null && pwd )
+
+PATTERN=""
+if [[ -f $1 ]]; then
+    TFile=("$1")        # specific file
+elif [[ -n $1 ]]; then
+    PATTERN=$1  # name of a particular file or pattern (ex: societe.class.php)
+else
+    PATTERN="*.class.php" # *.lib.php
+fi
+
+if [[ -n ${PATTERN} ]]; then
+    TCLASSFILE=$(find "${DIR_HTDOCS}" -name "${PATTERN}" | grep -v "/custom/" | grep -v "/includes/" | grep -v -F -f "${DIR_HTDOCS}/../.gitignore")
+    TFile=()
+    I=0
+    for f in ${TCLASSFILE}; do
+        TFile[${I}]="${f}"
+        ((I++))
+    done
+fi
+
+
+REGEX_FNC_W='^([[:blank:]]*)(public|private|protected)?[ \t]*(static)?[ \t]*[^\$\(]function[ \t]*([a-zA-Z0-9\-\_]*)[\(](.*)[\)][ \t]*([\{]?)$'
+INDENT="    "
+
+for f in ${TFile[@]}; do
+#    echo ${f}
+
+    IFS=$'\n'
+    TLine=($(cat "${f}" | grep -E "${REGEX_FNC_W}"))
+
+    for LINE in ${TLine[@]}; do
+
+        if [[ ${LINE} =~ ^${REGEX_FNC_W}$ ]]; then
+            FIRST_INDENT=${BASH_REMATCH[1]}       # seem not work
+            FNC_TYPE=${BASH_REMATCH[2]}
+            STATIC=${BASH_REMATCH[3]}
+            FNC_NAME=${BASH_REMATCH[4]}
+            PARAMETERS_ORIGIN=${BASH_REMATCH[5]}
+            BRACKET_END=${BASH_REMATCH[6]}
+
+            if [[ ${LINE} =~ ^([[:blank:]]*) ]]; then # but this seems work to get indentation
+                FIRST_INDENT=${BASH_REMATCH[1]}
+            fi
+
+            [[ ${FNC_NAME} =~ ^__ ]] && continue    # skip magic function
+
+            CAMEL_CASE=$(echo "${FNC_NAME}" | sed -r 's/(_)([a-zA-Z0-9])/\U\2/g')
+            [[ ${CAMEL_CASE} = ${FNC_NAME} ]] && continue       # skip if no difference
+
+#echo A: ${#FIRST_INDENT}
+#printf "${FIRST_INDENT}TEST INDENT\n"
+#echo B: ${FNC_TYPE}
+#echo C: ${STATIC}
+#echo D: ${FNC_NAME}
+#echo D: ${CAMEL_CASE}
+#echo E: ${PARAMETERS_ORIGIN}
+#echo F: ${BRACKET_END}
+#exit
+
+            [[ -n $(cat "${f}" | grep -i "function[[:blank:]]*${CAMEL_CASE}") ]] && continue   # skip if already exists
+
+            TCommentLine=()
+            J=1
+            while :; do
+                COMMENT=$(cat ${f} | grep -B ${J} ${LINE/\$/\\$} | head -n1 | grep -P '^[\t\ ]*(/\*\*|\*[^/]?|\*/)')
+                if [[ -n ${COMMENT}  ]]; then
+                    TCommentLine[${J}]="${COMMENT}"
+                    ((J++))
+                else
+                    break
+                fi
+            done
+
+            COMMENT_ORIGIN=""
+            COMMENT_ORIGIN_WITH_DEPRECATED=""
+            COMMENT_DUPLICATE=""
+            if [[ ${#TCommentLine[@]} -gt 0 ]]; then
+                for (( idx=${#TCommentLine[@]} ; idx>0 ; idx-- )) ; do
+                    COMMENT_ORIGIN="${COMMENT_ORIGIN}\n${TCommentLine[idx]}"
+                done
+
+                COMMENT_DUPLICATE=${COMMENT_ORIGIN}
+
+                COMMENT_ORIGIN_WITH_DEPRECATED=$(echo "${COMMENT_ORIGIN%?} @deprecated\n${FIRST_INDENT} * @see ${CAMEL_CASE}\n${FIRST_INDENT} */")
+            fi
+
+            PARAMETERS=${PARAMETERS_ORIGIN}
+            TParam=()
+            I=0
+            while [[ ${PARAMETERS} =~ (\$[a-zA-Z0-9\_\-]+) ]]; do
+                TParam[${I}]=${BASH_REMATCH[1]}
+                PARAMETERS=${PARAMETERS#*"${BASH_REMATCH[1]}"}
+                ((I++))
+            done
+
+            PARAMS_STR=$(printf ", %s" "${TParam[@]}")
+            PARAMS_STR=${PARAMS_STR:2}
+
+            REPLACE=${LINE}
+            [[ -z ${BRACKET_END} ]] && REPLACE="${LINE}\n${FIRST_INDENT}{\n${FIRST_INDENT}${INDENT}" || REPLACE="${LINE}\n${FIRST_INDENT}${INDENT}"
+            [[ -n ${STATIC} ]] && REPLACE="${REPLACE}self::" || REPLACE="${REPLACE}\$this->"
+            REPLACE="${REPLACE}${CAMEL_CASE}(${PARAMS_STR});\n${FIRST_INDENT}}\n\n"
+            REPLACE="${REPLACE}${FIRST_INDENT}${COMMENT_ORIGIN}\n${FIRST_INDENT}"
+            [[ -n ${STATIC} ]] && REPLACE="${REPLACE}${STATIC} "
+            [[ -n ${FNC_TYPE} ]] && REPLACE="${REPLACE}${FNC_TYPE} "
+            REPLACE="${REPLACE}function ${CAMEL_CASE}(${PARAMETERS_ORIGIN})"
+            [[ -n ${BRACKET_END} ]] && REPLACE="${REPLACE}\n${FIRST_INDENT}{"
+
+            echo " ${FNC_NAME} -> ${CAMEL_CASE}"
+
+            if [[ -n ${COMMENT_ORIGIN_WITH_DEPRECATED} ]]; then
+                rpl -e --quiet "${COMMENT_ORIGIN}" ${COMMENT_ORIGIN_WITH_DEPRECATED} "${f}"
+            fi
+            rpl -e --quiet "${LINE}" ${REPLACE} "${f}"
+
+        fi
+
+    done
+done
+
+