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<?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 5.4.21, 5.4.23, 5.4.32 - 5.4.33, 5.4.39, 5.4.43, 5.4.45, 5.5.2 - 5.5.3, 5.5.13, 5.5.15, 5.5.17, 5.5.21, 5.5.25, 5.5.33, 5.5.36, 5.5.38, 5.6.0, 5.6.2, 5.6.4, 5.6.8, 5.6.10 - 5.6.12, 5.6.18, 5.6.20, 5.6.24, 5.6.26, 5.6.36 - 5.6.37, 7.0.0, 7.0.4, 7.0.6, 7.0.8, 7.0.10, 7.0.12, 7.0.19, 7.0.25 - 7.0.27, 7.0.31 - 7.0.32, 7.1.10, 7.1.15, 7.1.28, 7.2.4, 7.2.12, 7.2.19, 7.2.22, 7.3.2, 7.3.6, 7.3.10, 7.3.12, 7.4.1
int(0)
Output for 5.5.1, 5.5.5, 5.5.7, 5.5.9, 5.5.14, 5.5.16, 5.5.18, 5.5.22, 5.5.24, 5.5.28, 5.5.31, 5.5.34 - 5.5.35, 5.6.1, 5.6.3, 5.6.5, 5.6.19, 5.6.22 - 5.6.23, 5.6.28, 5.6.30, 5.6.32, 5.6.35, 5.6.39, 7.0.9, 7.0.14 - 7.0.15, 7.0.17, 7.0.30, 7.0.33, 7.1.0, 7.1.7, 7.1.9, 7.1.11 - 7.1.12, 7.1.14, 7.1.19, 7.1.23, 7.1.25, 7.1.29, 7.1.33, 7.2.1 - 7.2.3, 7.2.6 - 7.2.7, 7.2.11, 7.2.15, 7.2.18, 7.2.20, 7.2.25 - 7.2.26, 7.3.7, 7.4.0
bool(true)
Output for 5.4.1, 5.4.3 - 5.4.4, 5.4.10 - 5.4.12, 5.4.18, 5.4.20, 5.4.26, 5.4.28, 5.4.31, 5.5.0, 5.5.6, 5.5.8, 5.5.10 - 5.5.12, 5.5.20, 5.5.27, 5.5.30, 5.5.32, 5.6.6 - 5.6.7, 5.6.13 - 5.6.14, 5.6.29, 5.6.38, 5.6.40, 7.0.1, 7.0.3, 7.0.5, 7.0.7, 7.0.11, 7.0.13, 7.0.16, 7.0.21 - 7.0.24, 7.0.28, 7.1.1, 7.1.4 - 7.1.6, 7.1.16, 7.1.18, 7.1.21 - 7.1.22, 7.1.24, 7.1.26, 7.1.30 - 7.1.32, 7.2.0, 7.2.5, 7.2.8 - 7.2.9, 7.2.13 - 7.2.14, 7.2.16, 7.3.3, 7.3.13
float(0)
Output for 5.4.0, 5.4.2, 5.4.6, 5.4.8, 5.4.15 - 5.4.16, 5.4.22, 5.4.25, 5.4.36 - 5.4.37, 5.4.40, 5.4.42, 5.5.4, 5.5.19, 5.5.23, 5.5.26, 5.5.29, 5.5.37, 5.6.9, 5.6.15 - 5.6.17, 5.6.21, 5.6.25, 5.6.27, 5.6.31, 5.6.33 - 5.6.34, 7.0.2, 7.0.18, 7.0.20, 7.0.29, 7.1.2 - 7.1.3, 7.1.8, 7.1.13, 7.1.17, 7.1.20, 7.1.27, 7.2.10, 7.2.17, 7.2.21, 7.2.23 - 7.2.24, 7.3.0 - 7.3.1, 7.3.4 - 7.3.5, 7.3.8 - 7.3.9, 7.3.11
string(26) "predictable code is boring"
Output for 5.4.5, 5.4.7, 5.4.9, 5.4.13 - 5.4.14, 5.4.17, 5.4.19, 5.4.24, 5.4.27, 5.4.29 - 5.4.30, 5.4.34 - 5.4.35, 5.4.38, 5.4.41, 5.4.44
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 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 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 - 4.3.11, 4.4.0 - 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.

preferences:
186.71 ms | 401 KiB | 325 Q