3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1,2,3]; $b = [4,5,6]; foreach ($a as &$v) { $v += 10; } var_dump($a[2]); foreach ($b as $v) { var_dump($a[2]); $v *= -1; } var_dump($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)
8.3.60.0070.00718.56
8.3.50.0150.00416.59
8.3.40.0110.00418.70
8.3.30.0180.00018.89
8.3.20.0040.00421.73
8.3.10.0060.00323.61
8.3.00.0040.00423.45
8.2.180.0090.00618.26
8.2.170.0190.00322.96
8.2.160.0070.00720.10
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00020.83
8.2.120.0070.00026.35
8.2.110.0040.00722.12
8.2.100.0090.00317.72
8.2.90.0040.00419.19
8.2.80.0000.00818.03
8.2.70.0000.00817.91
8.2.60.0030.00617.63
8.2.50.0040.00418.10
8.2.40.0060.00320.42
8.2.30.0000.00820.69
8.2.20.0040.00418.12
8.2.10.0040.00418.18
8.2.00.0040.00418.03
8.1.280.0040.01125.92
8.1.270.0050.00322.24
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0030.00623.97
8.1.230.0000.01120.95
8.1.220.0030.00517.76
8.1.210.0030.00518.77
8.1.200.0000.00817.35
8.1.190.0000.00817.35
8.1.180.0050.00318.10
8.1.170.0000.00918.58
8.1.160.0000.00718.92
8.1.150.0000.00720.14
8.1.140.0070.00017.76
8.1.130.0030.00319.02
8.1.120.0000.00717.48
8.1.110.0040.00417.48
8.1.100.0040.00417.35
8.1.90.0030.00817.47
8.1.80.0040.00417.51
8.1.70.0000.00717.48
8.1.60.0050.00317.46
8.1.50.0060.00317.35
8.1.40.0000.00717.40
8.1.30.0030.00517.63
8.1.20.0000.00817.62
8.1.10.0040.00417.45
8.1.00.0040.00417.38
8.0.300.0070.00020.02
8.0.290.0080.00016.75
8.0.280.0000.00818.39
8.0.270.0000.00817.17
8.0.260.0000.00716.72
8.0.250.0040.00416.97
8.0.240.0100.00016.82
8.0.230.0030.00316.85
8.0.220.0070.00016.78
8.0.210.0000.00716.89
8.0.200.0060.00016.81
8.0.190.0040.00416.91
8.0.180.0000.00816.95
8.0.170.0060.00316.95
8.0.160.0000.00716.94
8.0.150.0040.00416.80
8.0.140.0000.00816.85
8.0.130.0000.00613.31
8.0.120.0030.00616.75
8.0.110.0040.00416.95
8.0.100.0070.00016.76
8.0.90.0070.00016.78
8.0.80.0120.00316.84
8.0.70.0050.00316.78
8.0.60.0000.00716.69
8.0.50.0040.00416.77
8.0.30.0090.00817.01
8.0.20.0100.01217.40
8.0.10.0080.00016.90
8.0.00.0170.00716.88
7.4.330.0050.00015.55
7.4.320.0030.00616.40
7.4.300.0060.00016.64
7.4.290.0000.00816.63
7.4.280.0040.00416.40
7.4.270.0070.00016.64
7.4.260.0030.00616.53
7.4.250.0020.00516.52
7.4.240.0080.00016.43
7.4.230.0070.00016.41
7.4.220.0050.00216.62
7.4.210.0100.00516.54
7.4.200.0000.00816.67
7.4.160.0070.00916.53
7.4.140.0100.01017.86
7.4.130.0090.00916.49
7.4.120.0090.00916.47
7.4.110.0070.01016.33
7.4.100.0150.00316.41
7.4.90.0120.00616.51
7.4.80.0180.00319.39
7.4.70.0110.00816.30
7.4.60.0120.00616.36
7.4.50.0070.00716.34
7.4.40.0090.00616.46
7.4.00.0060.00615.01
7.3.330.0030.00313.31
7.3.320.0030.00313.18
7.3.310.0070.00016.41
7.3.300.0050.00216.20
7.3.290.0030.00316.23
7.3.280.0040.01116.26
7.3.260.0050.01516.34
7.3.250.0100.00716.28
7.3.240.0090.00916.49
7.3.230.0160.00316.55
7.3.210.0150.00316.54
7.3.200.0090.00616.30
7.3.190.0090.00616.36
7.3.180.0030.01316.48
7.3.170.0080.00916.54
7.3.160.0120.00416.36
7.2.330.0060.01116.71
7.2.320.0140.00716.43
7.2.310.0140.01116.49
7.2.300.0040.01516.62
7.2.290.0030.01416.50
7.2.60.0040.00716.98
7.2.30.0110.01019.89
7.2.20.0090.01219.76
7.2.10.0060.01319.80
7.2.00.0100.01619.67
7.1.200.0060.00615.91
7.1.150.0100.01018.87
7.1.140.0070.01018.63
7.1.130.0090.01418.56
7.1.120.0150.00918.78
7.1.110.0090.01518.03
7.1.100.0110.00717.89
7.1.90.0110.01217.87
7.1.80.0100.01218.07
7.1.70.0070.01317.28
7.1.60.0240.01435.05
7.1.50.0240.01634.65
7.1.40.0270.01434.52
7.1.30.0300.01934.39
7.1.20.0290.01734.61
7.1.10.0110.00816.82
7.1.00.0090.00716.70

preferences:
54.23 ms | 400 KiB | 5 Q