run code in 200+ PHP versions simultaneously
<?php //the original array $a = array( 'a23' => 'abcdefg hij' ); //make it serial $s = serialize($a); //just to see the serial string var_dump($s); //the serialized array $s1 = 'a:1:{s:3:"a23";s:11:"abcdefg hij";}'; //the same with linux line end character $s2 = "a:1:{s:3:\"a23\";s:11:\"abcdefg\12hij\";}"; //the same with windows line end character, same I had in my PEAR files $s3 = "a:1:{s:3:\"a23\";s:12:\"abcdefg\15\12hij\";}"; //turn it back to an array $a1 = unserialize($s1); // ok $a2 = unserialize($s2); // ok $a3 = unserialize($s3); // not ok
based on X0pFQ
Output for 4.3.0 - 5.0.5, 5.1.1 - 7.4.0
string(35) "a:1:{s:3:"a23";s:11:"abcdefg hij";}"
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/u03Ek on line 22
Process exited with code 255.