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run code in 150+ php & hhvm versions
Bugs & Features
<?php function randval($var) { $types = ['int', 'float', 'bool', 'str']; return call_user_func($types[array_rand($types)] . 'val', $var); } var_dump(randval('predictable code is boring'));
Output for 5.5.32, 5.6.9, 5.6.13, 5.6.18, 5.6.21, 7.0.3, 7.1.0
bool(true)
Output for 5.4.3, 5.4.15 - 5.4.16, 5.4.20, 5.4.29, 5.4.37 - 5.4.38, 5.4.40, 5.4.43, 5.4.45, 5.5.33, 5.6.15, 5.6.19 - 5.6.20, 7.0.0, 7.0.2, 7.0.14
float(0)
Output for 5.4.0, 5.4.2, 5.4.6 - 5.4.7, 5.4.11, 5.4.13 - 5.4.14, 5.4.18, 5.4.23, 5.4.27, 5.4.41, 5.5.24 - 5.5.25, 5.5.27, 5.5.29 - 5.5.31, 5.6.8, 5.6.10, 5.6.12, 5.6.14, 5.6.16 - 5.6.17, 7.0.6
string(26) "predictable code is boring"
Output for 5.4.5, 5.4.8 - 5.4.9, 5.4.19, 5.4.21, 5.4.24 - 5.4.25, 5.4.28, 5.4.30, 5.4.34, 5.4.36, 5.4.39, 5.4.42, 5.4.44, 5.5.26, 5.5.28, 5.5.34 - 5.5.35, 5.6.11, 5.6.28, 7.0.1, 7.0.4 - 7.0.5
int(0)
Output for 5.4.1, 5.4.4, 5.4.10, 5.4.12, 5.4.17, 5.4.22, 5.4.26, 5.4.31 - 5.4.32, 5.4.35
Warning: call_user_func() expects parameter 1 to be a valid callback, function 'boolval' not found or invalid function name in /in/gNulH on line 5 NULL
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/gNulH on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/gNulH on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/gNulH on line 4
Process exited with code 255.