3v4l.org

run code in 300+ PHP versions simultaneously
<?php $c[] = 'Hello'; $a = [1,2,3]; $b[] = 'Hello'; $a = array_merge($a, $b); print_r($a); print_r($b); print_r($c);

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)
8.3.70.0120.00916.38
8.3.60.0140.00318.31
8.3.50.0070.01122.04
8.3.40.0120.00318.46
8.3.30.0070.00718.57
8.3.20.0080.00021.94
8.3.10.0050.00222.16
8.3.00.0040.00420.80
8.2.190.0140.00716.58
8.2.180.0150.00018.43
8.2.170.0150.00022.96
8.2.160.0100.00320.16
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0030.00522.13
8.2.120.0080.00026.35
8.2.110.0190.00319.33
8.2.100.0040.00817.91
8.2.90.0000.00819.23
8.2.80.0040.00417.97
8.2.70.0050.00517.59
8.2.60.0040.00417.93
8.2.50.0030.00618.10
8.2.40.0080.00022.20
8.2.30.0040.00422.14
8.2.20.0040.00418.11
8.2.10.0050.00317.93
8.2.00.0070.00018.18
8.1.280.0130.00725.92
8.1.270.0040.00423.79
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0000.00922.14
8.1.230.0070.00319.11
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0040.00418.57
8.1.160.0040.00418.70
8.1.150.0000.00720.32
8.1.140.0040.00419.42
8.1.130.0070.00018.93
8.1.120.0040.00417.41
8.1.110.0040.00417.43
8.1.100.0040.00417.39
8.1.90.0040.00417.35
8.1.80.0040.00417.36
8.1.70.0000.00817.29
8.1.60.0040.00417.38
8.1.50.0030.00617.44
8.1.40.0040.00417.49
8.1.30.0070.00017.62
8.1.20.0050.00217.68
8.1.10.0030.00517.46
8.1.00.0040.00417.42
8.0.300.0060.00320.31
8.0.290.0040.00416.58
8.0.280.0030.00318.34
8.0.270.0000.00717.18
8.0.260.0000.00617.21
8.0.250.0030.00316.93
8.0.240.0040.00416.89
8.0.230.0080.00016.86
8.0.220.0070.00016.89
8.0.210.0080.00016.72
8.0.200.0030.00316.89
8.0.190.0080.00016.95
8.0.180.0080.00016.90
8.0.170.0070.00016.75
8.0.160.0070.00016.87
8.0.150.0030.00316.66
8.0.140.0050.00216.70
8.0.130.0000.00713.25
8.0.120.0100.00016.84
8.0.110.0040.00416.86
8.0.100.0020.00516.89
8.0.90.0040.00416.82
8.0.80.0060.00916.87
8.0.70.0000.00816.83
8.0.60.0000.00816.73
8.0.50.0040.00416.94
8.0.30.0130.00817.01
8.0.20.0100.01017.40
8.0.10.0040.00416.98
8.0.00.0150.00316.63
7.4.330.0040.00315.55
7.4.320.0000.00816.55
7.4.300.0000.00616.43
7.4.290.0040.00416.59
7.4.280.0080.00016.56
7.4.270.0030.00316.54
7.4.260.0040.00416.52
7.4.250.0000.00816.51
7.4.240.0000.00716.55
7.4.230.0070.00016.54
7.4.220.0170.00616.48
7.4.210.0130.00816.52
7.4.200.0000.00716.44
7.4.160.0050.01116.49
7.4.150.0090.01017.40
7.4.140.0130.00617.86
7.4.130.0090.01116.54
7.4.120.0090.01316.46
7.4.110.0130.01016.48
7.4.100.0130.01016.49
7.4.90.0130.00616.48
7.4.80.0070.01019.39
7.4.70.0140.00316.43
7.4.60.0120.00316.34
7.4.50.0030.01016.46
7.4.40.0000.01616.50
7.4.30.0120.00616.30
7.4.00.0120.00314.59
7.3.330.0030.00212.93
7.3.320.0030.00313.14
7.3.310.0000.00616.34
7.3.300.0030.00316.11
7.3.290.0000.00616.23
7.3.280.0100.00916.20
7.3.270.0090.00917.40
7.3.260.0160.01416.37
7.3.250.0070.01116.24
7.3.240.0070.01016.35
7.3.230.0100.01016.54
7.3.210.0090.00916.36
7.3.200.0040.01116.34
7.3.190.0090.00616.12
7.3.180.0040.01216.18
7.3.170.0110.00616.32
7.3.160.0060.01016.39
7.2.330.0090.00916.55
7.2.320.0070.01116.71
7.2.310.0140.00616.29
7.2.300.0170.00916.46
7.2.290.0120.00916.61
7.2.60.0050.00516.60
7.1.200.0040.00715.72
7.1.70.0030.00517.13
7.1.60.0090.00517.28
7.1.20.3170.07038.50
7.1.10.2500.07320.41
7.1.00.2600.08020.57
7.0.200.0110.00616.80
7.0.160.2970.06720.17
7.0.150.2630.06719.92
7.0.140.3800.05720.01
7.0.130.1870.06019.93
7.0.120.1570.06020.13
7.0.110.1370.06720.10
7.0.100.2130.06320.15
7.0.90.1830.05320.16
7.0.80.1900.06720.09
7.0.70.2070.05020.14
7.0.60.2500.06719.82
7.0.50.2030.07719.96
7.0.40.1370.06020.13
7.0.30.1630.05720.11
7.0.20.2430.06320.04
7.0.10.1630.06320.11
7.0.00.2200.06719.95

preferences:
50.95 ms | 401 KiB | 5 Q