3v4l.org

run code in 300+ PHP versions simultaneously
<?php $variable = 'PLN'; $variable = 'data' . $variable; ${$variable} = 'asd'; echo $dataPLN;

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)
8.3.70.0160.00316.75
8.3.60.0100.01016.50
8.3.50.0070.00719.90
8.3.40.0100.00320.31
8.3.30.0110.00818.42
8.3.20.0070.00024.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.190.0040.01118.41
8.2.180.0110.01125.92
8.2.170.0090.01218.79
8.2.160.0100.00322.96
8.2.150.0030.00625.66
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0070.00026.16
8.2.110.0040.00419.24
8.2.100.0070.00417.78
8.2.90.0090.00017.87
8.2.80.0030.00518.75
8.2.70.0060.00317.50
8.2.60.0040.00718.16
8.2.50.0090.00018.07
8.2.40.0090.00018.16
8.2.30.0040.00417.99
8.2.20.0040.00419.30
8.2.10.0070.00018.18
8.2.00.0060.00319.34
8.1.280.0100.00725.92
8.1.270.0070.00024.66
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0090.00023.82
8.1.230.0030.00717.81
8.1.220.0000.00817.79
8.1.210.0080.00018.77
8.1.200.0030.00617.36
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0000.00818.43
8.1.160.0040.00418.79
8.1.150.0000.00718.54
8.1.140.0040.00417.29
8.1.130.0000.00718.84
8.1.120.0000.00817.48
8.1.110.0130.00317.34
8.1.100.0110.00417.36
8.1.90.0110.00517.47
8.1.80.0100.00517.36
8.1.70.0100.00517.40
8.1.60.0120.00617.39
8.1.50.0150.00217.29
8.1.40.0130.00417.34
8.1.30.0190.00017.43
8.1.20.0060.00617.63
8.1.10.0040.00817.48
8.1.00.0100.00317.41
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0000.00718.35
8.0.270.0000.00717.32
8.0.260.0000.00618.42
8.0.250.0060.00016.90
8.0.240.0070.00016.96
8.0.230.0080.00316.86
8.0.220.0000.01416.71
8.0.210.0040.00816.84
8.0.200.0100.00316.93
8.0.190.0140.00016.79
8.0.180.0060.01016.72
8.0.170.0050.00816.84
8.0.160.0000.01116.84
8.0.150.0070.00316.68
8.0.140.0090.00316.84
8.0.130.0090.00516.72
8.0.120.0150.00016.79
8.0.110.0110.00316.90
8.0.100.0070.00716.77
8.0.90.0150.00016.67
8.0.80.0100.00416.85
8.0.70.0110.00316.82
8.0.60.0080.00716.79
8.0.50.0100.00616.72
8.0.30.0150.00016.87
8.0.20.0100.00716.87
8.0.10.0130.00316.85
7.4.330.0000.00415.55
7.4.320.0070.00216.41
7.4.300.0000.01016.37
7.4.290.0000.01316.59
7.4.280.0140.00416.38
7.4.270.0120.00516.57
7.4.260.0060.00616.39
7.4.250.0110.00016.38
7.4.240.0080.00116.29
7.4.230.0030.00716.38
7.4.220.0090.00316.44
7.4.210.0020.01016.41
7.4.200.0070.00716.42
7.4.190.0080.00816.48
7.4.180.0060.00616.42
7.4.160.0070.00716.48
7.4.150.0090.00316.44
7.4.140.0080.00416.23
7.4.130.0060.00616.42
7.4.120.0090.00516.40
7.4.110.0090.00616.49
7.4.100.0040.00916.52
7.4.90.0050.00516.18
7.4.80.0070.00415.98
7.4.70.0000.01016.27
7.4.60.0070.00316.09
7.4.50.0070.00315.96
7.4.40.0070.00316.06
7.4.30.0070.00316.04
7.4.20.0070.00316.09
7.4.10.0020.00716.07
7.4.00.0070.00316.18

preferences:
40.01 ms | 401 KiB | 5 Q