@ 2014-03-25T08:53:23Z <?php
echo preg_replace("/(?!^)(?=[A-Z])/", "_", "FooBarAoo");
echo strtolower(preg_replace('/([A-Z])/', '_$1', lcfirst($str)));
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Output for 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.7 Foo_Bar_Aoo
Warning: Undefined variable $str in /in/Cqtch on line 4
Deprecated: lcfirst(): Passing null to parameter #1 ($string) of type string is deprecated in /in/Cqtch on line 4
Output for 8.0.0 - 8.0.30 Foo_Bar_Aoo
Warning: Undefined variable $str in /in/Cqtch on line 4
Output for 5.3.0 - 5.3.29 , 5.4.0 - 5.4.45 , 5.5.0 - 5.5.38 , 5.6.0 - 5.6.40 , 7.0.0 - 7.0.33 , 7.1.0 - 7.1.33 , 7.2.0 - 7.2.33 , 7.3.0 - 7.3.31 , 7.4.0 - 7.4.33 Foo_Bar_Aoo
Notice: Undefined variable: str in /in/Cqtch on line 4
Output for 7.3.32 - 7.3.33 Foo_Bar_Aoo Output for 5.0.0 - 5.0.5 , 5.1.0 - 5.1.6 , 5.2.0 - 5.2.17 Foo_Bar_Aoo
Fatal error: Call to undefined function lcfirst() in /in/Cqtch on line 4
Process exited with code 255 . Output for 4.4.5 - 4.4.9 Foo_Bar_Aoo
Fatal error: Call to undefined function: lcfirst() in /in/Cqtch on line 4
Process exited with code 255 . Output for 4.3.2 - 4.3.11 , 4.4.0 - 4.4.4 Foo_Bar_Aoo
Fatal error: Call to undefined function: lcfirst() in /in/Cqtch on line 4
Process exited with code 255 . Output for 4.3.0 - 4.3.1 Foo_Bar_Aoo
Fatal error: Call to undefined function: lcfirst() in /in/Cqtch on line 4
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