3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ["a", "n", "b"]; $b = ["c", "a", "d"]; print_r($a+$b);

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)
8.3.60.0120.00616.49
8.3.50.0070.01122.84
8.3.40.0160.00018.59
8.3.30.0120.00318.42
8.3.20.0050.00318.95
8.3.10.0040.00421.82
8.3.00.0080.00019.00
8.2.180.0090.01216.38
8.2.170.0140.00022.96
8.2.160.0110.00320.43
8.2.150.0070.00024.18
8.2.140.0070.01124.66
8.2.130.0040.00426.16
8.2.120.0000.00720.93
8.2.110.0090.00622.26
8.2.100.0090.00317.91
8.2.90.0040.00417.75
8.2.80.0090.00017.97
8.2.70.0030.00917.55
8.2.60.0030.00617.80
8.2.50.0040.00418.10
8.2.40.0070.00020.46
8.2.30.0040.00419.15
8.2.20.0000.00717.98
8.2.10.0000.00817.85
8.2.00.0040.00417.65
8.1.280.0110.00425.92
8.1.270.0070.00022.00
8.1.260.0050.00326.35
8.1.250.0030.00528.09
8.1.240.0040.00720.77
8.1.230.0040.00817.77
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0030.00617.13
8.1.180.0030.00618.10
8.1.170.0070.00018.71
8.1.160.0040.00418.81
8.1.150.0000.00820.24
8.1.140.0050.00219.37
8.1.130.0030.00317.66
8.1.120.0000.00717.30
8.1.110.0030.00517.39
8.1.100.0040.00417.33
8.1.90.0040.00417.39
8.1.80.0080.00017.35
8.1.70.0000.00717.40
8.1.60.0080.00017.53
8.1.50.0030.00517.45
8.1.40.0040.00417.46
8.1.30.0000.00917.40
8.1.20.0000.00817.48
8.1.10.0000.00817.36
8.1.00.0000.00817.25
8.0.300.0000.00718.84
8.0.290.0030.00716.63
8.0.280.0070.00018.36
8.0.270.0070.00017.10
8.0.260.0030.00617.05
8.0.250.0030.00716.94
8.0.240.0070.00016.85
8.0.230.0000.00716.94
8.0.220.0030.00316.84
8.0.210.0000.00716.88
8.0.200.0040.00416.98
8.0.190.0000.00916.86
8.0.180.0050.00316.89
8.0.170.0000.00716.88
8.0.160.0000.00716.85
8.0.150.0000.00716.70
8.0.140.0070.00016.73
8.0.130.0000.00613.29
8.0.120.0040.00416.85
8.0.110.0020.00516.76
8.0.100.0030.00316.77
8.0.90.0000.00716.92
8.0.80.0060.01016.81
8.0.70.0020.00516.89
8.0.60.0040.00416.69
8.0.50.0000.00716.73
8.0.30.0090.00816.94
8.0.20.0110.01217.40
8.0.10.0070.00016.82
8.0.00.0140.00316.64
7.4.330.0000.00515.55
7.4.320.0030.00316.53
7.4.300.0060.00016.34
7.4.290.0030.00316.44
7.4.280.0080.00016.42
7.4.270.0030.00316.41
7.4.260.0000.00616.42
7.4.250.0040.00416.46
7.4.240.0070.00016.56
7.4.230.0070.00016.52
7.4.220.0100.01616.32
7.4.210.0070.00816.58
7.4.200.0040.00316.52
7.4.160.0090.01016.40
7.4.150.0070.01017.40
7.4.140.0100.00717.86
7.4.130.0070.00916.54
7.4.120.0090.00716.45
7.4.110.0100.00616.57
7.4.100.0120.00616.52
7.4.90.0090.00916.32
7.4.80.0140.00419.39
7.4.70.0090.00916.46
7.4.60.0110.00416.21
7.4.50.0110.00416.38
7.4.40.0100.00716.37
7.4.30.0060.01016.12
7.4.00.0030.01415.11
7.3.330.0030.00312.93
7.3.320.0060.00013.17
7.3.310.0070.00016.27
7.3.300.0000.00616.21
7.3.290.0000.00716.08
7.3.280.0110.00916.20
7.3.270.0130.00317.40
7.3.260.0070.01016.37
7.3.250.0110.00716.40
7.3.240.0140.00716.46
7.3.230.0080.00816.39
7.3.210.0140.00316.33
7.3.200.0040.01316.33
7.3.190.0030.01916.56
7.3.180.0060.01316.45
7.3.170.0070.01016.36
7.3.160.0150.00616.11
7.3.10.0120.00316.37
7.3.00.0070.00716.43
7.2.330.0030.01516.59
7.2.320.0080.01116.27
7.2.310.0140.01016.49
7.2.300.0100.01016.38
7.2.290.0060.01316.59
7.2.130.0070.00416.49
7.2.120.0030.00716.93
7.2.110.0000.01216.87
7.2.100.0060.00916.70
7.2.90.0100.00316.70
7.2.80.0080.00316.61
7.2.70.0060.00616.83
7.2.60.0090.00016.83
7.2.50.0080.00816.60
7.2.40.0030.01016.71
7.2.30.0030.00716.66
7.2.20.0040.00816.44
7.2.10.0070.00716.75
7.2.00.0030.00918.06
7.1.250.0090.00315.71
7.1.70.0040.00417.09
7.1.60.0000.01116.86
7.1.00.0070.07322.41
7.0.200.0060.00614.77
7.0.130.0230.06322.05
7.0.120.0130.05722.10
7.0.110.0030.06322.02
7.0.100.0100.05722.04
7.0.90.0130.05722.11
7.0.80.0000.06322.07
7.0.70.0070.06722.04
7.0.60.0000.08722.08
7.0.50.0100.06022.10
7.0.40.0100.05022.05
7.0.30.0070.06722.14
7.0.20.0070.05721.98
7.0.10.0100.05322.05
7.0.00.0230.06022.10
5.6.280.0170.04721.08
5.6.270.0070.07020.96
5.6.260.0200.05720.87
5.6.250.0100.05721.12
5.6.240.0100.05721.11
5.6.230.0200.05021.10
5.6.220.0130.05320.97
5.6.210.0170.06020.98
5.6.200.0100.05720.94
5.6.190.0030.06320.83
5.6.180.0100.06321.04
5.6.170.0070.06020.75
5.6.160.0170.04721.01
5.6.150.0100.05720.94
5.6.140.0230.07020.84
5.6.130.0070.05321.05
5.6.120.0100.06020.91
5.6.110.0100.05721.04
5.6.100.0070.05720.98
5.6.90.0100.05720.77
5.6.80.0070.05320.46
5.6.70.0030.05720.38
5.6.60.0100.05320.20
5.6.50.0170.04720.14
5.6.40.0070.05720.19
5.6.30.0100.06720.24
5.6.20.0000.06020.35
5.6.10.0070.06320.18
5.6.00.0030.05320.27

preferences:
54.23 ms | 401 KiB | 5 Q