3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(&$param) { $param = 42; return $param; } $a = 23; echo "\$a before calling foo(): $a\n"; $b = foo($a); echo "\$a after the call to foo(): $a\n"; $b = 23; echo "\$a after touching the returned variable: $a\n"; echo "\$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)
8.3.60.0110.00416.75
8.3.50.0100.00717.45
8.3.40.0090.00618.63
8.3.30.0090.00918.71
8.3.20.0080.00018.64
8.3.10.0030.00520.61
8.3.00.0030.00619.00
8.2.180.0160.00616.50
8.2.170.0110.00422.96
8.2.160.0070.00721.14
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00420.70
8.2.110.0110.00720.47
8.2.100.0060.00617.90
8.2.90.0000.00819.04
8.2.80.0000.00917.97
8.2.70.0030.00617.63
8.2.60.0040.00417.92
8.2.50.0000.00818.10
8.2.40.0040.00420.66
8.2.30.0060.00317.96
8.2.20.0040.00417.56
8.2.10.0000.00817.73
8.2.00.0050.00417.72
8.1.280.0070.01025.92
8.1.270.0070.00024.66
8.1.260.0000.00826.35
8.1.250.0050.00228.09
8.1.240.0060.00322.66
8.1.230.0040.00817.64
8.1.220.0080.00017.74
8.1.210.0060.00318.77
8.1.200.0000.00917.23
8.1.190.0000.00817.22
8.1.180.0040.00418.10
8.1.170.0050.00318.51
8.1.160.0060.00318.83
8.1.150.0000.00818.53
8.1.140.0020.00517.39
8.1.130.0040.00417.44
8.1.120.0070.00017.47
8.1.110.0000.00817.35
8.1.100.0050.00217.28
8.1.90.0000.00717.23
8.1.80.0040.00317.31
8.1.70.0060.00317.37
8.1.60.0030.00517.59
8.1.50.0050.00317.52
8.1.40.0060.00317.45
8.1.30.0070.00017.52
8.1.20.0050.00317.55
8.1.10.0040.00417.50
8.1.00.0030.00617.40
8.0.300.0030.00718.77
8.0.290.0060.00316.63
8.0.280.0040.00418.46
8.0.270.0000.00717.32
8.0.260.0030.00316.72
8.0.250.0040.00416.89
8.0.240.0000.00916.93
8.0.230.0060.00316.99
8.0.220.0080.00016.79
8.0.210.0000.00816.94
8.0.200.0040.00416.93
8.0.190.0000.00817.00
8.0.180.0030.00916.87
8.0.170.0030.00616.80
8.0.160.0070.00016.85
8.0.150.0040.00416.68
8.0.140.0100.00016.84
8.0.130.0030.00313.26
8.0.120.0040.00416.82
8.0.110.0070.00016.74
8.0.100.0070.00016.72
8.0.90.0000.00716.96
8.0.80.0120.00616.88
8.0.70.0040.00416.74
8.0.60.0030.00516.75
8.0.50.0000.00716.95
8.0.30.0110.00716.96
8.0.20.0080.01117.11
8.0.10.0000.00716.87
8.0.00.0150.00316.90
7.4.330.0030.00312.87
7.4.320.0000.00616.38
7.4.300.0000.00616.57
7.4.290.0000.00716.43
7.4.280.0060.00316.58
7.4.270.0000.00716.55
7.4.260.0000.00513.18
7.4.250.0100.00016.58
7.4.240.0070.00016.52
7.4.230.0000.00716.61
7.4.220.0090.00916.42
7.4.210.0060.00916.56
7.4.200.0080.00016.34
7.4.190.0020.00516.77
7.4.160.0060.01016.62
7.4.150.0120.00616.36
7.4.140.0090.00916.39
7.4.130.0140.00516.49
7.4.120.0080.00916.62
7.4.110.0080.00816.37
7.4.100.0080.00816.36
7.4.90.0110.00716.46
7.4.80.0130.00619.39
7.4.70.0150.00316.52
7.4.60.0130.00316.46
7.4.50.0070.00316.35
7.4.40.0060.00316.50
7.4.30.0140.00916.41
7.4.00.0090.00314.84
7.3.330.0030.00313.36
7.3.320.0030.00313.31
7.3.310.0030.00316.32
7.3.300.0000.00716.31
7.3.290.0070.00716.23
7.3.280.0050.01216.31
7.3.270.0110.00716.38
7.3.260.0150.00616.51
7.3.250.0140.00716.46
7.3.240.0140.01216.27
7.3.230.0030.01516.72
7.3.210.0080.00816.46
7.3.200.0130.00316.38
7.3.190.0150.00616.33
7.3.180.0090.00616.77
7.3.170.0150.00616.50
7.3.160.0040.01116.51
7.3.120.0070.00714.88
7.2.330.0110.00716.76
7.2.320.0090.00916.75
7.2.310.0090.01216.83
7.2.300.0130.00716.73
7.2.290.0070.01016.81
7.2.00.0000.01519.30
7.1.100.0040.01117.97
7.1.70.0030.00317.00
7.1.60.0000.01417.18
7.1.50.0070.01016.90
7.1.00.0030.03722.32
7.0.200.0090.00616.83
7.0.140.0030.07322.12
7.0.120.0030.07321.95
7.0.60.0100.08020.02
7.0.50.0070.05317.84
7.0.40.0070.04720.14
7.0.30.0300.04020.30
7.0.20.0300.03720.16
7.0.10.0300.06320.23
7.0.00.0130.07720.31
5.6.210.0100.06720.67
5.6.200.0030.05318.27
5.6.190.0030.07720.77
5.6.180.0330.06020.65
5.6.170.0230.04020.48
5.6.160.0070.05020.54
5.6.150.0230.06318.23
5.6.140.0100.06318.17
5.6.130.0070.07018.22
5.6.120.0100.04320.97
5.6.110.0130.05720.96
5.6.100.0070.06721.12
5.6.90.0100.06321.02
5.6.80.0100.06020.55
5.6.70.0330.06720.39
5.5.350.0200.04320.38
5.5.340.0170.07018.04
5.5.330.0030.04720.42
5.5.320.0070.09720.28
5.5.310.0230.08720.35
5.5.300.0030.08317.98
5.5.290.0030.07317.92
5.5.280.0030.04020.85
5.5.270.0100.06720.80
5.5.260.0170.07320.96
5.5.250.0000.05320.69
5.5.240.0070.06020.35
5.4.450.0070.08019.57
5.4.440.0130.07319.20
5.4.430.0000.07019.47
5.4.420.0070.06719.37
5.4.410.0100.06019.46
5.4.400.0200.06719.15
5.4.390.0030.04718.85
5.4.380.0000.04318.87
5.4.370.0070.07319.16
5.4.360.0070.08019.09
5.4.350.0030.07718.87
5.4.340.0030.05318.94
5.4.320.0070.07018.85
5.4.310.0070.04319.24
5.4.300.0070.07319.23
5.4.290.0100.05318.87
5.4.280.0030.07719.28
5.4.270.0130.03019.14
5.4.260.0070.07019.14
5.4.250.0070.03719.02
5.4.240.0070.07719.00
5.4.230.0170.07019.14
5.4.220.0070.07019.15
5.4.210.0270.06019.07
5.4.200.0100.06719.15
5.4.190.0030.05318.84
5.4.180.0100.07319.19
5.4.170.0100.04719.13
5.4.160.0100.07319.06
5.4.150.0070.07319.14
5.4.140.0070.04716.38
5.4.130.0030.06716.49
5.4.120.0070.07016.45
5.4.110.0130.06016.41
5.4.100.0100.06716.46
5.4.90.0170.05716.54
5.4.80.0030.07316.39
5.4.70.0130.07016.41
5.4.60.0070.06316.28
5.4.50.0130.06016.27
5.4.40.0070.07316.25
5.4.30.0100.06716.31
5.4.20.0030.07316.30
5.4.10.0100.05016.31
5.4.00.0000.07715.78
5.3.290.0100.07314.69
5.3.280.0100.05714.73
5.3.270.0130.06314.65
5.3.260.0030.08014.68
5.3.250.0070.06014.65
5.3.240.0030.08314.61
5.3.230.0070.05314.63
5.3.220.0100.06714.46
5.3.210.0170.06714.61
5.3.200.0030.07714.49
5.3.190.0100.06314.62
5.3.180.0030.05714.62
5.3.170.0130.06714.71
5.3.160.0070.04014.71
5.3.150.0070.07014.56
5.3.140.0170.05714.58
5.3.130.0130.06714.55
5.3.120.0100.04314.69
5.3.110.0030.07014.46
5.3.100.0030.04714.03
5.3.90.0100.07014.02
5.3.80.0070.05714.06
5.3.70.0000.04314.02
5.3.60.0000.05713.99
5.3.50.0100.05713.95
5.3.40.0070.03713.96
5.3.30.0100.07013.93
5.3.20.0030.04713.76
5.3.10.0030.03713.73
5.3.00.0170.04313.64
5.2.170.0030.03311.14
5.2.160.0030.03011.11
5.2.150.0030.03011.18
5.2.140.0000.04011.17
5.2.130.0030.05311.16
5.2.120.0000.04011.06
5.2.110.0070.06011.26
5.2.100.0000.04011.07
5.2.90.0070.05711.02
5.2.80.0130.02311.25
5.2.70.0100.04311.01
5.2.60.0070.04711.05
5.2.50.0000.05310.90
5.2.40.0070.06311.15
5.2.30.0070.03710.97
5.2.20.0030.05311.03
5.2.10.0170.04710.75
5.2.00.0030.04010.72
5.1.60.0070.0539.90
5.1.50.0000.0539.96
5.1.40.0030.04310.00
5.1.30.0000.03010.39
5.1.20.0070.02710.36
5.1.10.0070.0239.99
5.1.00.0100.05010.02
5.0.50.0030.0238.57
5.0.40.0030.0408.48
5.0.30.0000.0638.23
5.0.20.0030.0478.25
5.0.10.0100.0378.09
5.0.00.0070.0638.14
4.4.90.0000.0177.68
4.4.80.0000.0377.68
4.4.70.0070.0177.68
4.4.60.0000.0407.68
4.4.50.0030.0337.68
4.4.40.0000.0537.68
4.4.30.0030.0237.68
4.4.20.0030.0177.68
4.4.10.0000.0377.68
4.4.00.0030.0277.68
4.3.110.0070.0177.68
4.3.100.0000.0407.68
4.3.90.0070.0207.68
4.3.80.0000.0477.68
4.3.70.0000.0307.68
4.3.60.0030.0207.68
4.3.50.0070.0337.68
4.3.40.0030.0407.68
4.3.30.0000.0377.68
4.3.20.0070.0237.68
4.3.10.0000.0237.68
4.3.00.0000.0337.68

preferences:
32.81 ms | 400 KiB | 5 Q