3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = 2; var_dump(($var ?? false)); var_dump(true === ($var ?? false)); var_dump('------'); $var = false; var_dump(($var ?? false)); var_dump(true === ($var ?? false)); var_dump('------'); $var = true; var_dump(($var ?? false)); var_dump(true === ($var ?? false));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.4.150.0030.00014.05
8.4.140.0090.01117.50
8.4.130.0170.00317.75
8.4.120.0120.00820.70
8.4.110.0110.00822.79
8.4.100.0130.00817.63
8.4.90.0100.01117.70
8.4.80.0110.00517.67
8.4.70.0060.00517.70
8.4.60.0030.00520.39
8.4.50.0100.00820.63
8.4.40.0040.01117.84
8.4.30.0120.00620.81
8.4.20.0100.01019.59
8.4.10.0180.00019.36
8.3.270.0120.00716.41
8.3.260.0050.00416.52
8.3.250.0120.00618.80
8.3.240.0130.00616.54
8.3.230.0110.00816.50
8.3.220.0100.00917.20
8.3.210.0120.00616.41
8.3.200.0070.00216.65
8.3.190.0050.00417.00
8.3.180.0120.00718.10
8.3.170.0110.00816.41
8.3.160.0040.01416.49
8.3.150.0120.00617.00
8.3.140.0140.00418.28
8.3.130.0040.00418.21
8.3.120.0040.00418.67
8.3.110.0080.00016.49
8.3.100.0090.00620.23
8.3.90.0040.01526.77
8.3.80.0410.00626.77
8.3.70.0400.00926.77
8.3.60.0410.00626.77
8.3.50.0380.01226.77
8.3.40.0320.00726.77
8.3.30.0300.00826.77
8.3.20.0240.01426.77
8.3.10.0240.01226.77
8.3.00.0280.01426.77
8.2.290.0120.00620.37
8.2.280.0040.00620.09
8.2.270.0120.00617.19
8.2.260.0040.00416.41
8.2.250.0100.01018.47
8.2.240.0090.00016.70
8.2.230.0090.00020.94
8.2.220.0100.00724.06
8.2.210.0320.00526.77
8.2.200.0480.00626.77
8.2.190.0420.00326.77
8.2.180.0340.00726.77
8.2.170.0420.00626.77
8.2.160.0280.01126.77
8.2.150.0310.00926.77
8.2.140.0370.00726.77
8.2.130.0290.01126.77
8.2.120.0430.00026.77
8.2.110.0320.00626.77
8.2.100.0300.01226.77
8.2.90.0370.00626.77
8.2.80.0380.00326.77
8.2.70.0380.00426.77
8.2.60.0110.01126.77
8.2.50.0400.01026.77
8.2.40.0350.00626.77
8.2.30.0330.00726.77
8.2.20.0270.01226.77
8.2.10.0370.00326.77
8.2.00.0260.01326.77
8.1.330.0150.00416.65
8.1.320.0100.00916.43
8.1.310.0000.00816.54
8.1.300.0060.00317.81
8.1.290.0250.01526.77
8.1.280.0360.00426.77
8.1.270.0360.00726.77
8.1.260.0260.01126.77
8.1.250.0360.00726.77
8.1.240.0280.00326.77
8.1.230.0220.00326.77
8.1.220.0180.00026.77
8.1.210.0150.00326.77
8.1.200.0250.00026.77
8.1.190.0200.00026.77
8.1.180.0140.00526.77
8.1.170.0250.01426.77
8.1.160.0380.00026.77
8.1.150.0270.01026.77
8.1.140.0350.00326.77
8.1.130.0210.01726.77
8.1.120.0340.00326.77
8.1.110.0260.01226.77
8.1.100.0240.01226.77
8.1.90.0270.00426.77
8.1.80.0340.00426.77
8.1.70.0250.01326.77
8.1.60.0380.00326.77
8.1.50.0330.00926.77
8.1.40.0330.00926.77
8.1.30.0300.01126.77
8.1.20.0390.00326.77
8.1.10.0260.01126.77
8.1.00.0340.00826.77

preferences:
51.56 ms | 403 KiB | 5 Q