3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; $cl = function ($b) use ($a) { echo $a . PHP_EOL; echo $b . PHP_EOL; ++$a; echo PHP_EOL; echo $a . PHP_EOL; echo $b . PHP_EOL; return function ($b) use ($a) { echo $a . PHP_EOL; echo $b . PHP_EOL; }; }; $cl(2); $cl(2);

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)
8.3.60.0110.01118.30
8.3.50.0080.00821.21
8.3.40.0070.00718.84
8.3.30.0150.00618.94
8.3.20.0000.00720.29
8.3.10.0020.00521.96
8.3.00.0040.00422.44
8.2.180.0090.00916.75
8.2.170.0110.00322.96
8.2.160.0110.00419.04
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00819.64
8.2.110.0030.00621.07
8.2.100.0040.00817.66
8.2.90.0060.00319.23
8.2.80.0080.00017.97
8.2.70.0000.00917.49
8.2.60.0040.00717.78
8.2.50.0050.00318.07
8.2.40.0040.00418.16
8.2.30.0060.00317.98
8.2.20.0050.00317.65
8.2.10.0050.00217.70
8.2.00.0060.00317.66
8.1.280.0090.00625.92
8.1.270.0080.00022.14
8.1.260.0070.00026.35
8.1.250.0030.00528.09
8.1.240.0060.00322.14
8.1.230.0080.00420.55
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0070.00417.35
8.1.190.0040.00417.53
8.1.180.0000.00820.48
8.1.170.0050.00318.63
8.1.160.0030.00322.06
8.1.150.0080.00018.70
8.1.140.0040.00417.36
8.1.130.0000.00817.84
8.1.120.0000.00717.46
8.1.110.0000.01017.38
8.1.100.0030.00517.31
8.1.90.0000.00717.36
8.1.80.0030.00517.47
8.1.70.0070.00017.47
8.1.60.0000.00817.59
8.1.50.0000.00817.48
8.1.40.0030.00517.34
8.1.30.0040.00417.54
8.1.20.0040.00417.54
8.1.10.0040.00417.54
8.1.00.0000.00717.51
8.0.300.0060.00318.77
8.0.290.0040.00416.63
8.0.280.0030.00318.46
8.0.270.0030.00317.23
8.0.260.0080.00016.73
8.0.250.0000.00616.94
8.0.240.0060.00316.93
8.0.230.0030.00316.92
8.0.220.0000.00716.95
8.0.210.0000.00616.85
8.0.200.0020.00516.98
8.0.190.0080.00316.98
8.0.180.0040.00416.82
8.0.170.0000.00816.87
8.0.160.0000.00716.85
8.0.150.0040.00416.85
8.0.140.0040.00416.80
8.0.130.0030.00313.33
8.0.120.0090.00016.75
8.0.110.0040.00416.90
8.0.100.0000.00716.85
8.0.90.0000.00816.95
8.0.80.0120.00316.87
8.0.70.0030.00316.88
8.0.60.0000.00716.68
8.0.50.0000.00716.74
8.0.30.0150.00616.99
8.0.20.0080.01317.40
8.0.10.0030.00516.87
8.0.00.0140.00616.67
7.4.330.0000.00515.00
7.4.320.0030.00316.60
7.4.300.0050.00216.49
7.4.290.0030.00316.40
7.4.280.0030.00316.57
7.4.270.0030.00316.50
7.4.260.0030.00316.45
7.4.250.0000.00716.45
7.4.240.0040.00316.50
7.4.230.0000.00716.49
7.4.220.0060.01016.67
7.4.210.0090.00616.58
7.4.200.0030.00316.59
7.4.190.0000.00716.67
7.4.160.0030.01716.43
7.4.150.0150.00817.40
7.4.140.0090.00917.86
7.4.130.0070.01016.52
7.4.120.0050.01116.39
7.4.110.0120.00616.56
7.4.100.0100.01016.36
7.4.90.0040.01716.63
7.4.80.0110.00619.39
7.4.70.0120.00616.24
7.4.60.0040.01216.46
7.4.50.0090.00016.43
7.4.40.0040.00922.77
7.4.30.0130.00316.64
7.4.00.0070.00414.91
7.3.330.0030.00313.16
7.3.320.0050.00013.11
7.3.310.0070.00016.11
7.3.300.0070.00016.34
7.3.290.0040.01016.30
7.3.280.0100.00516.29
7.3.270.0090.00917.40
7.3.260.0130.00416.43
7.3.250.0160.00416.24
7.3.240.0100.01016.23
7.3.230.0060.01116.63
7.3.210.0100.01016.56
7.3.200.0140.00419.39
7.3.190.0150.00816.37
7.3.180.0060.01016.52
7.3.170.0080.00816.27
7.3.160.0000.01516.38
7.3.120.0060.00914.69
7.3.10.0080.00616.34
7.3.00.0090.00216.38
7.2.330.0140.00416.67
7.2.320.0090.00916.60
7.2.310.0080.00816.82
7.2.300.0110.01116.55
7.2.290.0060.01016.48
7.2.130.0050.00816.73
7.2.120.0080.00516.86
7.2.110.0080.00816.80
7.2.100.0090.00716.77
7.2.90.0090.00916.81
7.2.80.0060.00916.84
7.2.70.0080.00716.86
7.2.60.0060.00916.64
7.2.50.0110.00316.54
7.2.40.0120.00316.67
7.2.30.0050.00716.69
7.2.20.0070.01016.67
7.2.10.0080.00916.71
7.2.00.0070.00717.75
7.1.250.0050.00715.76
7.1.200.0130.00015.66
7.1.100.0480.00315.11
7.1.70.0040.00416.85
7.1.60.0140.01119.82
7.1.50.0100.01416.90
7.1.00.0030.06722.33
7.0.200.0030.00316.67
7.0.140.0070.06321.92
7.0.60.0230.07020.03
7.0.50.0100.08017.88
7.0.40.0070.05020.04
7.0.30.0270.08020.34
7.0.20.0270.05320.31
7.0.10.0100.08320.23
7.0.00.0100.08320.06
5.6.280.0070.07020.87
5.6.210.0200.06720.52
5.6.200.0100.07018.19
5.6.190.0070.06720.50
5.6.180.0530.06720.62
5.6.170.0130.04320.53
5.6.160.0070.08020.43
5.6.150.0000.04318.12
5.6.140.0130.07318.16
5.6.130.0170.07318.15
5.6.120.0130.03721.05
5.6.110.0100.09020.94
5.6.100.0170.04721.03
5.6.90.0070.08721.11
5.6.80.0100.07720.41
5.5.350.0170.08320.44
5.5.340.0100.07717.95
5.5.330.0030.04320.35
5.5.320.0230.04720.24
5.5.310.0170.04320.37
5.5.300.0200.06717.95
5.5.290.0070.07717.92
5.5.280.0030.08720.94
5.5.270.0170.08020.75
5.5.260.0130.07720.89
5.5.250.0170.07320.71
5.5.240.0030.07720.14
5.4.450.0630.04319.52
5.4.440.0670.06719.57
5.4.430.0130.08019.30
5.4.420.0230.06019.49
5.4.410.0100.08019.49
5.4.400.0130.05318.50
5.4.390.1030.05718.75
5.4.380.0270.05318.79
5.4.370.0000.06718.63
5.4.360.0130.05318.70
5.4.350.0130.05718.47
5.4.340.0270.03718.50
5.4.320.0050.03712.51
5.4.310.0050.03812.51
5.4.300.0090.03512.51
5.4.290.0040.03912.51
5.4.280.0060.03612.40
5.4.270.0050.03612.40
5.4.260.0000.06018.79
5.4.250.0200.06718.96
5.4.240.0200.06718.90
5.4.230.0130.05019.10
5.4.220.0170.06018.94
5.4.210.0130.06718.65
5.4.200.0000.06719.00
5.4.190.0170.04719.00
5.4.180.0070.05318.95
5.4.170.0200.05718.95
5.4.160.0130.07018.75
5.4.150.0200.04318.98
5.4.140.0070.05016.50
5.4.130.0070.04716.39
5.4.120.0070.05016.39
5.4.110.0130.06316.50
5.4.100.0130.04316.52
5.4.90.0100.04716.48
5.4.80.0070.04716.50
5.4.70.0070.05016.46
5.4.60.0030.05316.46
5.4.50.0000.05316.59
5.4.40.0130.04316.58
5.4.30.0070.04716.45
5.4.20.0000.07016.52
5.4.10.0070.05316.52
5.4.00.0130.04315.87
5.3.290.0130.04112.80
5.3.280.0030.07014.62
5.3.270.0030.05714.58
5.3.260.0100.06014.61
5.3.250.0100.04714.61
5.3.240.0070.05314.67
5.3.230.0070.05014.73
5.3.220.0130.04314.73
5.3.210.0030.06014.47
5.3.200.0100.04714.73
5.3.190.0200.03714.57
5.3.180.0170.04014.39
5.3.170.0070.05014.57
5.3.160.0100.04714.65
5.3.150.0070.05014.65
5.3.140.0100.06314.64
5.3.130.0030.08014.54
5.3.120.0100.05014.64
5.3.110.0130.05714.55
5.3.100.0030.05713.87
5.3.90.0130.04314.16
5.3.80.0100.04714.01
5.3.70.0030.05314.04
5.3.60.0070.05013.83
5.3.50.0070.07313.79
5.3.40.0170.04313.79
5.3.30.0100.05014.00
5.3.20.0130.06013.70
5.3.10.0100.04313.87
5.3.00.0030.05013.82
5.2.170.0070.05011.29
5.2.160.0130.04711.15
5.2.150.0030.06311.07
5.2.140.0100.05711.15
5.2.130.0170.04010.98
5.2.120.0030.04011.01
5.2.110.0100.04011.02
5.2.100.0130.03311.11
5.2.90.0070.04311.00
5.2.80.0100.05311.11
5.2.70.0100.03711.08
5.2.60.0070.04011.14
5.2.50.0100.03710.85
5.2.40.0070.04011.11
5.2.30.0070.04010.99
5.2.20.0070.03710.98
5.2.10.0030.05010.86
5.2.00.0000.04710.55
5.1.60.0200.03310.00
5.1.50.0030.0509.93
5.1.40.0100.04710.01
5.1.30.0000.04010.40
5.1.20.0070.04010.23
5.1.10.0070.03310.11
5.1.00.0000.03710.21
5.0.50.0100.0238.43
5.0.40.0030.0308.46
5.0.30.0000.0438.10
5.0.20.0130.0278.19
5.0.10.0070.0278.12
5.0.00.0130.0338.15
4.4.90.0000.0237.43
4.4.80.0030.0237.43
4.4.70.0030.0237.43
4.4.60.0030.0207.43
4.4.50.0000.0337.43
4.4.40.0030.0407.43
4.4.30.0000.0237.43
4.4.20.0000.0237.43
4.4.10.0000.0237.43
4.4.00.0000.0377.43
4.3.110.0030.0207.43
4.3.100.0000.0237.43
4.3.90.0030.0277.43
4.3.80.0030.0337.43
4.3.70.0000.0307.43
4.3.60.0070.0177.43
4.3.50.0030.0207.43
4.3.40.0030.0377.43
4.3.30.0030.0207.43
4.3.20.0000.0277.43
4.3.10.0000.0237.43
4.3.00.0070.0237.63

preferences:
53.77 ms | 401 KiB | 5 Q