Use env in shebangs

pre_commit_hooks/php-cbf.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Bash PHP Code Beautifier and Fixer Hook
 # This script fails if the PHP Code Beautifier and Fixer output has the word "ERROR" in it.

pre_commit_hooks/php-cs-fixer.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 ################################################################################
 #
 # Bash PHP Coding Standards Fixer

pre_commit_hooks/php-cs.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Bash PHP Codesniffer Hook
 # This script fails if the PHP Codesniffer output has the word "ERROR" in it.

pre_commit_hooks/php-lint.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Bash PHP Linter for Pre-commits
 #

pre_commit_hooks/php-unit.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Bash PHP Unit Task Runner
 #