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run code in 150+ php & hhvm versions
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<?php var_dump(ini_get('bcmath.scale')); bcscale(4); var_dump(ini_get('bcmath.scale'));
based on OTAda
Output for 5.0.0 - 5.5.28, 5.5.31 - 5.5.33, 5.5.35 - 5.6.12, 5.6.16 - 5.6.19, 5.6.21 - 5.6.28, 7.0.0 - 7.0.4, 7.0.6 - 7.1.0
string(1) "0" string(1) "0"
Output for 7.0.5
bool(false) Fatal error: Uncaught Error: Call to undefined function bcscale() in /in/Mj2Qa:4 Stack trace: #0 {main} thrown in /in/Mj2Qa on line 4
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
string(1) "0" string(1) "4"
Output for 5.5.29 - 5.5.30, 5.5.34, 5.6.13 - 5.6.15, 5.6.20
bool(false) Fatal error: Call to undefined function bcscale() in /in/Mj2Qa on line 4
Process exited with code 255.
Output for 4.3.0 - 4.4.9
string(0) "" string(0) ""