3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [1,2]; foreach($array as $a) { if ($a == 1) { $array[] = 3; } echo $a . "\n"; } echo "----------\n"; var_dump($array); foreach($array as $a) { echo $a . "\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)
8.3.60.0000.01518.43
8.3.50.0110.00718.39
8.3.40.0080.00618.84
8.3.30.0140.00018.67
8.3.20.0040.00420.16
8.3.10.0050.00320.73
8.3.00.0040.01120.95
8.2.180.0140.00316.63
8.2.170.0150.00022.96
8.2.160.0100.00319.41
8.2.150.0090.00624.18
8.2.140.0040.00424.66
8.2.130.0090.00319.82
8.2.120.0050.00226.35
8.2.110.0060.00322.14
8.2.100.0060.00617.84
8.2.90.0000.00819.33
8.2.80.0000.00818.05
8.2.70.0000.00817.63
8.2.60.0040.00418.03
8.2.50.0050.00318.10
8.2.40.0040.00422.19
8.2.30.0060.00319.31
8.2.20.0000.00718.04
8.2.10.0040.00417.88
8.2.00.0040.00418.05
8.1.280.0070.01425.92
8.1.270.0040.00424.66
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00422.79
8.1.230.0070.00418.97
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0040.00417.23
8.1.190.0050.00317.22
8.1.180.0040.00418.10
8.1.170.0000.00818.50
8.1.160.0040.00419.00
8.1.150.0070.00018.92
8.1.140.0040.00419.58
8.1.130.0030.00518.76
8.1.120.0000.00717.46
8.1.110.0080.00017.45
8.1.100.0000.00817.46
8.1.90.0000.00717.45
8.1.80.0030.00317.46
8.1.70.0000.00717.35
8.1.60.0000.00717.64
8.1.50.0000.00817.53
8.1.40.0000.00817.44
8.1.30.0050.00317.57
8.1.20.0040.00417.55
8.1.10.0000.00717.49
8.1.00.0030.00617.34
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0030.00318.50
8.0.270.0000.00717.29
8.0.260.0050.00218.83
8.0.250.0030.00316.98
8.0.240.0000.00716.82
8.0.230.0070.00016.94
8.0.220.0070.00016.88
8.0.210.0040.00416.81
8.0.200.0000.00616.88
8.0.190.0000.00816.95
8.0.180.0000.00716.90
8.0.170.0000.00716.89
8.0.160.0050.00316.79
8.0.150.0070.00016.72
8.0.140.0040.00316.80
8.0.130.0000.00613.27
8.0.120.0050.00216.83
8.0.110.0040.00416.75
8.0.100.0000.00716.91
8.0.90.0000.01016.80
8.0.80.0070.01116.95
8.0.70.0040.00416.80
8.0.60.0030.00516.96
8.0.50.0020.00516.87
8.0.30.0060.01117.21
8.0.20.0100.00917.40
8.0.10.0040.00416.89
8.0.00.0090.00616.74
7.4.330.0000.00515.55
7.4.320.0000.00716.61
7.4.300.0030.00316.52
7.4.290.0050.00216.49
7.4.280.0040.00416.60
7.4.270.0000.00716.52
7.4.260.0030.00316.60
7.4.250.0000.00716.45
7.4.240.0070.00016.61
7.4.230.0000.00716.43
7.4.220.0040.01516.55
7.4.210.0070.01016.45
7.4.200.0040.00416.44
7.4.160.0050.01216.47
7.4.150.0110.00717.40
7.4.140.0130.01217.86
7.4.130.0150.01016.56
7.4.120.0110.00816.58
7.4.110.0090.00916.36
7.4.100.0070.01016.36
7.4.90.0150.00316.36
7.4.80.0030.02519.39
7.4.70.0080.00816.55
7.4.60.0040.01116.39
7.4.50.0060.01016.29
7.4.40.0060.01216.59
7.4.30.0130.01316.48
7.4.00.0090.00315.05
7.3.330.0050.00013.18
7.3.320.0000.00513.13
7.3.310.0000.00716.33
7.3.300.0030.00316.27
7.3.290.0070.00016.29
7.3.280.0080.00816.27
7.3.270.0070.01017.40
7.3.260.0080.01116.41
7.3.250.0080.00916.33
7.3.240.0070.01116.33
7.3.230.0140.00416.43
7.3.210.0130.00316.37
7.3.200.0110.00716.23
7.3.190.0060.00916.28
7.3.180.0080.00816.48
7.3.170.0070.01116.61
7.3.160.0090.00616.14
7.3.10.0100.00316.66
7.3.00.0100.00316.58
7.2.330.0090.00916.31
7.2.320.0140.00916.44
7.2.310.0070.01016.69
7.2.300.0110.00716.58
7.2.290.0030.01816.57
7.2.130.0110.00316.96
7.2.120.0000.01316.84
7.2.110.0030.01016.73
7.2.100.0100.00317.09
7.2.90.0070.00716.95
7.2.80.0030.00716.87
7.2.70.0130.00017.05
7.2.60.0090.00516.90
7.2.50.0070.00317.04
7.2.40.0120.00416.99
7.2.30.0000.01616.91
7.2.20.0030.00616.72
7.2.10.0000.01416.81
7.2.00.0100.00616.91
7.1.250.0090.00615.57
7.1.200.0070.00415.54
7.1.70.1940.00515.47
7.1.60.2640.01733.19
7.1.50.1600.01233.02
7.1.40.1880.00332.58
7.1.30.1880.01332.55
7.1.20.1630.01132.74
7.1.10.1140.01014.80
7.1.00.1070.01214.86
7.0.200.1840.00915.13
7.0.190.1440.00714.82
7.0.180.1330.00314.36
7.0.170.1870.01014.63
7.0.160.1820.01314.71
7.0.150.1050.01014.37
7.0.140.1070.01314.62
7.0.130.1410.00714.83
7.0.120.1270.01514.68
7.0.110.1080.01314.62
7.0.100.1090.01314.55
7.0.90.1310.00914.47
7.0.80.0120.00914.86
7.0.70.1150.01614.52
7.0.60.1350.01714.28
7.0.50.0930.01514.82
7.0.40.0970.01114.64
7.0.30.1460.01014.73
7.0.20.1280.01914.66
7.0.10.1050.01314.73
7.0.00.1040.00914.58

preferences:
83.89 ms | 401 KiB | 5 Q