3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [1, 2, 3]; for ($i = 0; $i < count($arr); $i++) { if ($arr[$i] == 4) { $arr[] = 5; } if ($arr[$i] == 2) { $arr[] = 4; } echo $arr[$i] . "\n"; }

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)
8.3.60.0100.01018.49
8.3.50.0100.00316.62
8.3.40.0060.01219.02
8.3.30.0120.00318.84
8.3.20.0070.00020.17
8.3.10.0050.00223.66
8.3.00.0000.00823.48
8.2.180.0190.00316.38
8.2.170.0040.01122.96
8.2.160.0100.00620.42
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.84
8.2.110.0060.00319.07
8.2.100.0040.00717.84
8.2.90.0080.00019.30
8.2.80.0050.00317.97
8.2.70.0030.00617.50
8.2.60.0040.00417.93
8.2.50.0000.00818.16
8.2.40.0050.00322.14
8.2.30.0000.00719.19
8.2.20.0000.00818.12
8.2.10.0080.00017.93
8.2.00.0000.00718.11
8.1.280.0140.00025.92
8.1.270.0070.01123.99
8.1.260.0000.00726.35
8.1.250.0000.00928.09
8.1.240.0040.00719.57
8.1.230.0040.00817.83
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0060.00317.22
8.1.190.0040.00417.13
8.1.180.0000.00818.10
8.1.170.0040.00418.72
8.1.160.0040.00418.74
8.1.150.0040.00418.85
8.1.140.0000.00817.68
8.1.130.0030.00517.31
8.1.120.0000.00717.51
8.1.110.0050.00317.34
8.1.100.0040.00417.43
8.1.90.0030.00317.38
8.1.80.0040.00417.48
8.1.70.0000.00717.38
8.1.60.0000.00917.46
8.1.50.0040.00417.58
8.1.40.0090.00017.50
8.1.30.0000.00917.63
8.1.20.0040.00717.66
8.1.10.0080.00017.62
8.1.00.0030.00517.52
8.0.300.0050.00318.77
8.0.290.0080.00016.63
8.0.280.0070.00018.45
8.0.270.0040.00417.27
8.0.260.0040.00416.73
8.0.250.0030.00316.98
8.0.240.0030.00316.84
8.0.230.0070.00016.95
8.0.220.0030.00616.79
8.0.210.0040.00416.75
8.0.200.0040.00416.84
8.0.190.0000.00716.98
8.0.180.0030.00616.90
8.0.170.0070.00016.85
8.0.160.0040.00416.76
8.0.150.0040.00416.76
8.0.140.0080.00016.74
8.0.130.0000.00513.31
8.0.120.0020.00516.85
8.0.110.0070.00016.90
8.0.100.0040.00416.72
8.0.90.0070.00016.95
8.0.80.0070.00716.90
8.0.70.0000.00716.84
8.0.60.0030.00616.92
8.0.50.0040.00416.70
8.0.30.0110.00916.97
8.0.20.0130.00617.40
8.0.10.0040.00416.96
8.0.00.0030.01416.82
7.4.330.0040.00016.84
7.4.320.0090.00016.61
7.4.300.0030.00316.61
7.4.290.0030.00316.40
7.4.280.0080.00016.49
7.4.270.0090.00016.52
7.4.260.0030.00516.58
7.4.250.0030.00516.55
7.4.240.0000.00716.52
7.4.230.0020.00516.62
7.4.220.0060.01516.40
7.4.210.0040.01016.71
7.4.200.0030.00616.48
7.4.160.0090.00716.52
7.4.150.0130.00617.40
7.4.140.0110.00717.86
7.4.130.0130.00316.55
7.4.120.0080.00916.49
7.4.110.0070.01116.62
7.4.100.0110.00516.61
7.4.90.0090.00916.47
7.4.80.0030.01719.39
7.4.70.0120.01216.61
7.4.60.0060.00916.47
7.4.50.0100.00716.45
7.4.40.0100.00616.27
7.4.30.0120.00316.58
7.4.00.0060.00614.94
7.3.330.0000.00513.17
7.3.320.0020.00513.10
7.3.310.0030.00316.23
7.3.300.0040.00416.14
7.3.290.0080.00716.24
7.3.280.0060.00916.25
7.3.270.0140.00417.40
7.3.260.0160.00516.42
7.3.250.0140.00616.51
7.3.240.0090.00916.41
7.3.230.0180.00316.27
7.3.210.0130.00616.45
7.3.200.0140.00316.47
7.3.190.0090.00916.48
7.3.180.0090.01116.49
7.3.170.0030.01216.30
7.3.160.0100.00716.34
7.2.330.0100.00616.77
7.2.320.0150.00616.57
7.2.310.0070.01416.64
7.2.300.0030.01516.76
7.2.290.0070.01116.45
7.2.60.0060.00616.91
7.1.200.0060.00615.80
7.1.110.0000.01517.82
7.1.100.0090.00618.25
7.1.90.0090.00917.83
7.1.80.0040.01118.34
7.1.70.0030.01017.19
7.1.60.0240.00334.88
7.1.50.0160.01034.92
7.1.40.0130.01334.39
7.1.30.0210.00634.62
7.1.20.0270.01234.52
7.1.10.0000.01416.47
7.1.00.0090.00316.59
7.0.250.0100.00317.66
7.0.240.0000.01417.86
7.0.230.0040.01517.95
7.0.220.0060.00717.65
7.0.210.0000.01216.63
7.0.200.0030.00916.75
7.0.190.0030.01016.80
7.0.180.0090.00916.14
7.0.170.0030.01616.27
7.0.160.0030.01616.28
7.0.150.0050.00916.14
7.0.140.0030.00916.29
7.0.130.0100.00916.26
7.0.120.0070.01116.54
7.0.110.0060.01216.28
7.0.100.0110.00716.09
7.0.90.0000.01416.15
7.0.80.0000.01416.22
7.0.70.0000.01416.30
7.0.60.0070.00716.17
7.0.50.0060.01016.40
7.0.40.0100.00316.43
7.0.30.0050.00816.52
7.0.20.0030.01016.46
7.0.10.0060.00716.63
7.0.00.0100.00716.38

preferences:
63.08 ms | 400 KiB | 5 Q