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<?php // Everything you enter here will be executed by our servers. Try it! $str = "1_1341383124_Photo /Jul 04, 1 22 02 AM_20130724204332.png"; echo $a = strrpos($str,"."); $str2 = substr($str,0,$a); $str3 = preg_replace("/[-, :;./]/","_",$str2); $str3 = preg_replace("/[_]+/","_",$str3); echo $str3;
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
53 Warning: preg_replace(): Unknown modifier ']' in /in/p76IE on line 6 Deprecated: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/p76IE on line 7
Output for 5.2.3 - 5.2.17, 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 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
53 Warning: preg_replace(): Unknown modifier ']' in /in/p76IE on line 6
Output for 4.4.3 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
53<br /> <b>Warning</b>: preg_replace() [<a href='function.preg-replace'>function.preg-replace</a>]: Unknown modifier ']' in <b>/in/p76IE</b> on line <b>6</b><br />
Output for 4.3.11, 4.4.0 - 4.4.2
53<br /> <b>Warning</b>: preg_replace(): Unknown modifier ']' in <b>/in/p76IE</b> on line <b>6</b><br />
Output for 4.3.0 - 4.3.10
53<br /> <b>Warning</b>: Unknown modifier ']' in <b>/in/p76IE</b> on line <b>6</b><br />
preferences:
312.07 ms | 401 KiB | 460 Q