3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( 0 => "a,b", 1 => "c,d", 2 => "e,f", 3 => "g,h", ); $array[] = implode(",", array_splice($array, -2)); var_export($array);

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)
8.4.120.0120.00817.51
8.4.110.0090.01125.75
8.4.100.0100.01017.60
8.4.90.0060.00520.53
8.4.80.0110.00618.88
8.4.70.0100.00918.70
8.4.60.0080.01218.47
8.4.50.0130.00818.61
8.4.40.0050.01417.84
8.4.30.0030.00618.85
8.4.20.0150.00618.71
8.4.10.0030.00622.11
8.3.250.0040.00316.68
8.3.240.0100.00716.52
8.3.230.0130.00616.74
8.3.220.0050.00318.73
8.3.210.0060.00318.66
8.3.200.0060.00316.56
8.3.190.0070.00316.93
8.3.180.0100.00817.10
8.3.170.0060.01220.84
8.3.160.0120.00616.49
8.3.150.0120.00316.99
8.3.140.0040.00816.39
8.3.130.0050.00318.33
8.3.120.0060.00318.84
8.3.110.0100.01020.94
8.3.100.0160.00324.06
8.3.90.0120.00326.77
8.3.80.0080.00318.31
8.3.70.0040.01116.58
8.3.60.0090.00618.55
8.3.50.0150.00318.34
8.3.40.0140.00718.89
8.3.30.0120.00318.41
8.3.20.0060.00324.18
8.3.10.0040.00424.66
8.3.00.0080.00626.16
8.2.290.0100.00816.64
8.2.280.0160.00316.49
8.2.270.0150.00417.09
8.2.260.0120.00618.46
8.2.250.0040.00416.38
8.2.240.0060.00316.93
8.2.230.0060.00322.58
8.2.220.0070.01537.54
8.2.210.0030.00626.77
8.2.200.0040.00418.41
8.2.190.0130.00616.75
8.2.180.0070.01125.92
8.2.170.0070.01119.00
8.2.160.0070.00722.96
8.2.150.0080.00025.66
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0040.00421.11
8.2.110.0120.00020.94
8.2.100.0120.00019.63
8.2.90.0090.00019.05
8.2.80.0030.00618.05
8.2.70.0080.00017.50
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0060.00319.88
8.2.30.0000.00817.93
8.2.20.0000.00720.42
8.2.10.0040.00417.98
8.2.00.0030.00519.21
8.1.330.0100.00916.07
8.1.320.0110.00915.69
8.1.310.0000.00818.16
8.1.300.0040.00420.37
8.1.290.0060.00330.84
8.1.280.0090.00925.92
8.1.270.0070.00023.99
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0070.00321.04
8.1.230.0080.00322.03
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0040.00417.23
8.1.190.0050.00317.10
8.1.180.0030.00518.10
8.1.170.0040.00418.59
8.1.160.0000.00718.75
8.1.150.0000.00718.56
8.1.140.0040.00417.47
8.1.130.0000.00718.81
8.1.120.0070.00017.28
8.1.110.0030.00517.33
8.1.100.0000.00817.27
8.1.90.0000.00817.37
8.1.80.0000.00817.39
8.1.70.0060.00617.39
8.1.60.0110.00717.39
8.1.50.0110.00817.30
8.1.40.0110.00817.29
8.1.30.0140.00717.58
8.1.20.0190.00017.47
8.1.10.0160.00317.42
8.1.00.0150.00417.45
8.0.300.0030.00618.77
8.0.290.0040.00416.75
8.0.280.0040.00418.27
8.0.270.0030.00317.94
8.0.260.0030.00318.36
8.0.250.0030.00316.80
8.0.240.0000.00816.85
8.0.230.0090.00016.94
8.0.220.0000.00716.83
8.0.210.0000.00716.79
8.0.200.0080.00416.88
8.0.190.0110.00416.77
8.0.180.0130.00016.81
8.0.170.0120.00316.76
8.0.160.0160.00016.66
8.0.150.0080.00816.58
8.0.140.0070.00716.66
8.0.130.0100.00516.77
8.0.120.0080.00816.79
8.0.110.0070.00816.78
8.0.100.0120.00416.85
8.0.90.0070.00716.84
8.0.80.0110.00416.84
8.0.70.0110.00516.78
8.0.60.0150.00016.68
8.0.50.0070.00716.71
8.0.30.0100.00516.78
8.0.20.0110.00416.75
8.0.10.0090.00616.88
7.4.330.0000.00515.55
7.4.320.0070.00016.52
7.4.300.0060.00616.53
7.4.290.0060.00916.42
7.4.280.0170.00316.31
7.4.270.0110.00616.48
7.4.260.0180.00016.50
7.4.250.0090.00616.53
7.4.240.0110.00516.36
7.4.230.0150.00316.38
7.4.220.0120.00316.43
7.4.210.0130.00016.41
7.4.200.0110.00516.52
7.4.190.0110.00416.57
7.4.180.0100.00616.49
7.4.160.0140.00216.49
7.4.150.0120.00316.43
7.4.140.0160.00016.28
7.4.130.0140.00316.30
7.4.120.0150.00016.43
7.4.110.0140.00016.23
7.4.100.0090.00716.49
7.4.90.0110.00416.43
7.4.80.0090.00516.28
7.4.70.0130.00316.44
7.4.60.0100.00716.48
7.4.50.0060.01116.36
7.4.40.0130.00216.20
7.4.30.0040.01116.21
7.4.20.0150.00016.34
7.4.10.0140.00016.43
7.4.00.0140.00016.43

preferences:
31.18 ms | 403 KiB | 5 Q