3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a', 'b', 'c', 'd'); for($i = 0; $i < count($a); $i += 2) { echo $i . " "; echo $a[$i + 1] . " "; echo ($i + 1) . PHP_EOL; }

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)
8.3.70.0110.00416.75
8.3.60.0130.00718.55
8.3.50.0060.00916.52
8.3.40.0040.01118.71
8.3.30.0070.00718.79
8.3.20.0040.00420.16
8.3.10.0000.00823.43
8.3.00.0080.00019.79
8.2.180.0120.00618.26
8.2.170.0070.00722.96
8.2.160.0070.01119.08
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00019.27
8.2.120.0140.00326.35
8.2.110.0090.00020.46
8.2.100.0040.00817.91
8.2.90.0040.00419.40
8.2.80.0080.00017.97
8.2.70.0030.00617.61
8.2.60.0000.00817.93
8.2.50.0040.00418.10
8.2.40.0000.01020.59
8.2.30.0000.00819.19
8.2.20.0000.00818.14
8.2.10.0050.00218.06
8.2.00.0000.00718.06
8.1.280.0170.00325.92
8.1.270.0050.00222.03
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0090.00021.96
8.1.230.0070.00419.01
8.1.220.0040.00417.74
8.1.210.0030.00718.77
8.1.200.0030.00617.35
8.1.190.0000.00717.35
8.1.180.0080.00018.10
8.1.170.0040.00418.50
8.1.160.0030.00519.09
8.1.150.0090.00020.68
8.1.140.0000.00719.62
8.1.130.0070.00018.93
8.1.120.0030.00317.36
8.1.110.0000.00817.43
8.1.100.0000.00717.36
8.1.90.0000.00717.48
8.1.80.0050.00217.37
8.1.70.0000.00717.40
8.1.60.0000.00917.54
8.1.50.0040.00417.41
8.1.40.0070.00017.55
8.1.30.0040.00417.60
8.1.20.0070.00017.65
8.1.10.0050.00317.46
8.1.00.0040.00417.55
8.0.300.0040.00419.93
8.0.290.0000.00716.75
8.0.280.0000.00718.43
8.0.270.0070.00017.30
8.0.260.0030.00316.82
8.0.250.0060.00017.00
8.0.240.0070.00016.86
8.0.230.0030.00616.85
8.0.220.0070.00016.80
8.0.210.0040.00416.80
8.0.200.0000.00616.94
8.0.190.0000.00816.83
8.0.180.0020.00516.98
8.0.170.0030.00316.90
8.0.160.0000.00816.95
8.0.150.0070.00016.82
8.0.140.0000.00716.80
8.0.130.0050.00013.25
8.0.120.0030.00516.87
8.0.110.0050.00316.81
8.0.100.0040.00416.84
8.0.90.0040.00416.95
8.0.80.0070.01516.85
8.0.70.0030.00616.72
8.0.60.0050.00316.83
8.0.50.0040.00416.70
8.0.30.0110.01116.95
8.0.20.0120.00917.40
8.0.10.0000.00816.96
8.0.00.0120.00616.98
7.4.330.0000.00715.55
7.4.320.0040.00416.52
7.4.300.0030.00316.65
7.4.290.0000.00716.51
7.4.280.0030.00616.60
7.4.270.0030.00516.62
7.4.260.0040.00416.56
7.4.250.0030.00316.57
7.4.240.0070.00016.61
7.4.230.0030.00316.50
7.4.220.0090.00916.40
7.4.210.0060.01216.61
7.4.200.0030.00316.48
7.4.160.0150.00216.56
7.4.150.0090.00917.40
7.4.140.0100.00817.86
7.4.130.0090.00916.60
7.4.120.0110.00816.46
7.4.110.0060.01016.34
7.4.100.0090.01316.55
7.4.90.0120.00616.49
7.4.80.0060.01219.39
7.4.70.0100.00616.56
7.4.60.0090.00616.51
7.4.50.0070.00316.42
7.4.40.0070.01016.66
7.4.30.0080.00816.59
7.4.00.0060.01015.15
7.3.330.0000.00513.02
7.3.320.0050.00013.16
7.3.310.0030.00316.34
7.3.300.0030.00316.25
7.3.290.0000.00716.12
7.3.280.0090.00816.25
7.3.270.0070.01017.40
7.3.260.0130.00716.40
7.3.250.0130.00816.46
7.3.240.0130.00616.48
7.3.230.0140.00316.35
7.3.210.0090.00816.28
7.3.200.0000.01716.43
7.3.190.0050.01116.46
7.3.180.0100.01016.26
7.3.170.0060.00916.28
7.3.160.0060.00916.39
7.3.10.0030.00616.63
7.3.00.0000.01216.56
7.2.330.0120.01216.69
7.2.320.0130.01016.63
7.2.310.0110.00616.74
7.2.300.0100.01016.82
7.2.290.0090.00916.72
7.2.130.0070.00716.78
7.2.120.0110.00316.85
7.2.110.0070.01017.08
7.2.100.0070.00717.02
7.2.90.0030.00616.84
7.2.80.0080.00416.79
7.2.70.0030.00616.90
7.2.60.0200.00517.00
7.2.50.0080.00516.94
7.2.40.0030.01116.96
7.2.30.0030.00716.91
7.2.20.0030.01016.93
7.2.10.0060.00617.03
7.2.00.0100.00016.91
7.1.250.0060.00315.71
7.1.200.0070.00715.58
7.1.70.0060.01316.93
7.1.60.0160.02235.23
7.1.50.0210.01734.56
7.1.40.0210.01434.49
7.1.30.0260.00934.43
7.1.20.0230.01534.57
7.1.10.0060.01416.67
7.1.00.0050.01416.72
7.0.200.0030.01616.76
7.0.190.0080.00916.91
7.0.180.0080.00816.18
7.0.170.0090.00916.34
7.0.160.0180.00016.34
7.0.150.0090.00616.41
7.0.140.0020.01316.43
7.0.130.0060.01316.48
7.0.120.0080.01116.63
7.0.110.0090.00816.29
7.0.100.0060.01116.43
7.0.90.0030.01116.29
7.0.80.0140.00316.36
7.0.70.0110.00716.27
7.0.60.0030.01416.35
7.0.50.0000.01716.33
7.0.40.0030.01416.42
7.0.30.0050.01216.41
7.0.20.0060.00916.37
7.0.10.0000.01616.34
7.0.00.0030.01316.36

preferences:
80.84 ms | 401 KiB | 5 Q