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<?php $lol1 = 'var_dump'; $lol2 = 'sprintf'; $lol3 = 'floatval'; $lol4 = 'print'; print('type: ' . gettype($lol1) . "\n"); $lol1('PHP: Madness var_dump'); print('type: ' . gettype($lol2) . "\n"); $lol1($lol2('PHP: Madness sprintf')); print('type: ' . gettype($lol3) . "\n"); $lol1($lol3('PHP: Madness floatval')); # But to keep PHP consistent print does not work. print('type: ' . gettype($lol4) . "\n"); print('This works.'); $lol4('PHP: Madness print');
Output for 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, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
type: string string(21) "PHP: Madness var_dump" type: string string(20) "PHP: Madness sprintf" type: string float(0) type: string This works. Fatal error: Uncaught Error: Call to undefined function print() in /in/FRPIp:22 Stack trace: #0 {main} thrown in /in/FRPIp on line 22
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 type: string string(21) "PHP: Madness var_dump" type: string string(20) "PHP: Madness sprintf" type: string float(0) type: string This works. Fatal error: Uncaught Error: Call to undefined function print() in /in/FRPIp:22 Stack trace: #0 {main} thrown in /in/FRPIp on line 22
Process exited with code 255.
Output for 5.6.38
type: string string(21) "PHP: Madness var_dump" type: string string(20) "PHP: Madness sprintf" type: string float(0) type: string This works. Fatal error: Call to undefined function print() in /in/FRPIp on line 22
Process exited with code 255.
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