3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 3; $b = 4; list($b, $a) = [ $a, $b]; echo "a=$a b=$b\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)
8.3.60.0030.01218.14
8.3.50.0110.00417.91
8.3.40.0070.00718.68
8.3.30.0070.00718.54
8.3.20.0120.00020.05
8.3.10.0030.00621.95
8.3.00.0000.00722.27
8.2.180.0110.01118.44
8.2.170.0070.00722.96
8.2.160.0170.00320.47
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00821.08
8.2.110.0120.00919.34
8.2.100.0060.00618.34
8.2.90.0040.00418.34
8.2.80.0000.00818.22
8.2.70.0030.00518.04
8.2.60.0020.00518.22
8.2.50.0050.00318.10
8.2.40.0000.00719.30
8.2.30.0000.00819.35
8.2.20.0040.00418.01
8.2.10.0050.00219.49
8.2.00.0000.00719.29
8.1.280.0070.01025.92
8.1.270.0040.00422.50
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00322.05
8.1.230.0040.00822.51
8.1.220.0040.00417.76
8.1.210.0030.00518.77
8.1.200.0050.00517.35
8.1.190.0060.00317.22
8.1.180.0040.00418.10
8.1.170.0080.00018.71
8.1.160.0070.00018.88
8.1.150.0000.00818.87
8.1.140.0040.00421.89
8.1.130.0050.00317.42
8.1.120.0030.00517.44
8.1.110.0000.00717.39
8.1.100.0040.00417.34
8.1.90.0000.00817.30
8.1.80.0000.00817.41
8.1.70.0000.00717.45
8.1.60.0080.00017.55
8.1.50.0000.00817.47
8.1.40.0000.00917.48
8.1.30.0040.00417.53
8.1.20.0050.00317.65
8.1.10.0040.00417.54
8.1.00.0050.00317.38
8.0.300.0070.00019.77
8.0.290.0090.00016.63
8.0.280.0000.00718.43
8.0.270.0000.00717.29
8.0.260.0030.00316.73
8.0.250.0000.00816.84
8.0.240.0070.00016.91
8.0.230.0040.00316.80
8.0.220.0040.00416.76
8.0.210.0100.00016.88
8.0.200.0070.00016.77
8.0.190.0030.00316.96
8.0.180.0000.00816.79
8.0.170.0090.00016.78
8.0.160.0000.00816.89
8.0.150.0030.00516.85
8.0.140.0030.00316.85
8.0.130.0000.00513.39
8.0.120.0040.00416.71
8.0.110.0040.00416.71
8.0.100.0000.00716.92
8.0.90.0060.00316.72
8.0.80.0080.00816.92
8.0.70.0040.00416.88
8.0.60.0040.00416.82
8.0.50.0000.00816.67
8.0.30.0080.00817.29
8.0.20.0080.01116.96
8.0.10.0030.00316.94
8.0.00.0060.01116.61
7.4.330.0000.00615.55
7.4.320.0070.00016.48
7.4.300.0000.00616.60
7.4.290.0030.00316.48
7.4.280.0080.00016.61
7.4.270.0000.00616.39
7.4.260.0030.00313.25
7.4.250.0000.00716.55
7.4.240.0030.00316.51
7.4.230.0000.00716.66
7.4.220.0030.00316.61
7.4.210.0120.00616.49
7.4.200.0070.00016.61
7.4.130.0080.01716.44
7.4.120.0120.00616.55
7.4.110.0090.00916.52
7.4.100.0050.01316.31
7.4.90.0120.00916.61
7.4.80.0110.01119.39
7.4.70.0130.00316.38
7.4.60.0000.01516.41
7.4.50.0060.01016.68
7.4.40.0080.00816.41
7.4.00.0030.01315.02
7.3.330.0070.00016.39
7.3.320.0030.00313.08
7.3.310.0040.00416.12
7.3.300.0000.00716.27
7.3.290.0030.00316.29
7.3.260.0110.01016.37
7.3.240.0080.01116.41
7.3.230.0030.01216.48
7.3.210.0130.00316.30
7.3.200.0110.00716.41
7.3.190.0110.00616.43
7.3.180.0100.00716.34
7.3.170.0090.01216.20
7.3.160.0030.01316.21
7.3.100.0070.00714.77
7.3.90.0090.00414.60
7.3.80.0030.01014.87
7.3.70.0040.01114.69
7.3.60.0050.01014.62
7.3.50.0100.00314.81
7.3.40.0080.00714.53
7.3.30.0090.00614.79
7.3.20.0440.00414.48
7.3.10.1240.00714.52
7.3.00.0370.00914.59
7.2.330.0090.00916.57
7.2.320.0090.00916.36
7.2.310.0060.01016.79
7.2.300.0080.00916.41
7.2.290.0070.01016.70
7.2.220.0030.01015.11
7.2.210.0070.00814.67
7.2.200.0070.00714.44
7.2.190.0620.00914.90
7.2.180.0070.00714.92
7.2.170.0040.01114.64
7.2.160.0090.00614.57
7.2.150.0550.01314.95
7.2.140.0200.00614.64
7.2.130.0380.00614.83
7.2.120.0420.00614.91
7.2.110.0450.01014.89
7.2.100.0500.00314.98
7.2.90.0170.00814.98
7.2.80.0160.00614.70
7.2.70.0380.00614.84
7.2.60.0530.00814.98
7.2.50.0370.00914.88
7.2.40.0390.00614.58
7.2.30.0860.00914.90
7.2.20.0180.00914.83
7.2.10.0420.00314.78
7.2.00.0710.00714.73
7.1.320.0410.00313.92
7.1.310.0290.00613.58
7.1.300.0170.00713.64
7.1.290.0360.00713.70
7.1.280.0350.00913.76
7.1.270.0600.00013.42
7.1.260.0350.01013.95
7.1.250.0470.00013.96

preferences:
69.41 ms | 401 KiB | 5 Q