3v4l.org

run code in 300+ PHP versions simultaneously
<?php function & do_something(&$arg) { $arg = 'func'; return $arg; } $a = 'init'; $b = do_something($a); $b = 'fin'; var_dump($a, $b); $x = 'init'; $y = & do_something($x); $y = 'fin'; var_dump($x, $y);

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)
8.3.60.0070.00716.63
8.3.50.0130.00816.44
8.3.40.0110.00418.71
8.3.30.0110.00418.71
8.3.20.0000.00818.79
8.3.10.0080.00020.40
8.3.00.0080.00017.38
8.2.180.0140.00716.38
8.2.170.0070.01418.82
8.2.160.0070.01022.96
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0080.00019.64
8.2.110.0030.00621.05
8.2.100.0110.00017.78
8.2.90.0060.00319.27
8.2.80.0040.00417.91
8.2.70.0080.00017.63
8.2.60.0000.00717.80
8.2.50.0000.00918.07
8.2.40.0050.00318.22
8.2.30.0040.00418.00
8.2.20.0040.00417.46
8.2.10.0060.00317.66
8.2.00.0060.00317.66
8.1.280.0070.01025.92
8.1.270.0060.00323.99
8.1.260.0060.01026.35
8.1.250.0000.00728.09
8.1.240.0110.00722.29
8.1.230.0060.00620.85
8.1.220.0050.00517.74
8.1.210.0080.00018.82
8.1.200.0060.00617.35
8.1.190.0000.00717.53
8.1.180.0040.00418.10
8.1.170.0050.00218.71
8.1.160.0070.00018.88
8.1.150.0000.00718.63
8.1.140.0040.00417.38
8.1.130.0040.00417.69
8.1.120.0040.00417.47
8.1.110.0000.00717.38
8.1.100.0000.00817.44
8.1.90.0070.00017.30
8.1.80.0000.00817.36
8.1.70.0070.00017.29
8.1.60.0000.00817.51
8.1.50.0030.00617.44
8.1.40.0060.00317.51
8.1.30.0000.00717.59
8.1.20.0000.01017.64
8.1.10.0000.00817.51
8.1.00.0030.00617.45
8.0.300.0000.00719.98
8.0.290.0000.00816.58
8.0.280.0030.00318.49
8.0.270.0000.00717.20
8.0.260.0050.00316.66
8.0.250.0070.00016.93
8.0.240.0000.01016.84
8.0.230.0070.00016.81
8.0.220.0000.00716.71
8.0.210.0040.00416.89
8.0.200.0000.00616.91
8.0.190.0040.00416.93
8.0.180.0020.00516.86
8.0.170.0000.00816.71
8.0.160.0040.00416.86
8.0.150.0040.00416.72
8.0.140.0240.00316.85
8.0.130.0030.00313.21
8.0.120.0040.00416.79
8.0.110.0040.00416.93
8.0.100.0040.00416.67
8.0.90.0000.00716.71
8.0.80.0130.00616.80
8.0.70.0050.00316.73
8.0.60.0070.00016.89
8.0.50.0000.00816.87
8.0.30.0110.00817.13
8.0.20.0130.00516.87
8.0.10.0040.00416.82
8.0.00.0090.00916.73
7.4.330.0000.00612.90
7.4.320.0030.00316.35
7.4.300.0060.00016.60
7.4.290.0000.00816.59
7.4.280.0040.00416.64
7.4.270.0000.00716.61
7.4.260.0030.00313.29
7.4.250.0040.00416.54
7.4.240.0070.00016.52
7.4.230.0070.00016.49
7.4.220.0040.01416.51
7.4.210.0110.00616.51
7.4.200.0050.00316.25
7.4.190.0070.00016.74
7.4.160.0120.01216.44
7.4.150.0070.01416.38
7.4.140.0090.00816.46
7.4.130.0100.01016.52
7.4.120.0070.01116.56
7.4.110.0110.00716.28
7.4.100.0120.00916.39
7.4.90.0150.00716.58
7.4.80.0100.00616.41
7.4.70.0050.01116.37
7.4.60.0090.00916.57
7.4.50.0030.00316.52
7.4.40.0030.00816.16
7.4.30.0100.00616.57
7.4.00.0050.01314.99
7.3.330.0000.00613.25
7.3.320.0030.00313.09
7.3.310.0070.00016.09
7.3.300.0070.00016.18
7.3.290.0000.01516.24
7.3.280.0060.01116.18
7.3.270.0110.00616.14
7.3.260.0120.00816.40
7.3.250.0080.01416.36
7.3.240.0040.01216.30
7.3.230.0170.00016.27
7.3.210.0060.00916.21
7.3.200.0130.00319.39
7.3.190.0070.01516.21
7.3.180.0080.00816.32
7.3.170.0080.00816.22
7.3.160.0150.00716.57
7.3.120.0080.00814.70
7.3.110.0080.00914.49
7.3.100.0040.01114.83
7.3.90.0090.00014.88
7.3.80.0030.01614.72
7.3.70.0110.00314.88
7.3.60.0130.00314.76
7.3.50.0050.00814.79
7.3.40.0130.00614.84
7.3.30.0040.00414.91
7.3.20.0040.01216.54
7.3.10.0020.01216.51
7.3.00.0050.01016.61
7.2.330.0070.01116.41
7.2.320.0060.01116.64
7.2.310.0110.01516.47
7.2.300.0060.00916.70
7.2.290.0160.00616.63
7.2.250.0120.00915.12
7.2.240.0000.01515.08
7.2.230.0110.00714.61
7.2.220.0080.00414.92
7.2.210.0030.01714.68
7.2.200.0060.00614.74
7.2.190.0030.01714.84
7.2.180.0040.01414.70
7.2.170.0060.00915.09
7.2.130.0060.01016.88
7.2.120.0060.00916.93
7.2.110.0060.00916.85
7.2.100.0000.01116.95
7.2.90.0100.00716.73
7.2.80.0040.01216.75
7.2.70.0000.01016.80
7.2.60.0040.01116.68
7.2.50.0030.01016.89
7.2.40.0070.00716.80
7.2.30.0060.00917.04
7.2.20.0120.00316.83
7.2.10.0060.00316.66
7.2.00.0030.01017.95
7.1.330.0100.00315.81
7.1.320.0030.01015.46
7.1.310.0030.01615.61
7.1.300.0000.01115.84
7.1.290.0070.00715.68
7.1.280.0100.00315.77
7.1.270.0140.00015.42
7.1.260.0070.01015.59
7.1.250.0040.00715.44
7.1.100.0040.00718.06
7.1.70.0030.00617.02
7.1.60.0170.00719.40
7.1.50.0110.01117.05
7.1.00.0070.07322.27
7.0.200.0040.00716.75
7.0.140.0100.07022.09
7.0.120.0000.07722.18
7.0.60.0070.08320.01
7.0.50.0100.05317.87
7.0.40.0070.09020.10
7.0.30.0170.04020.24
7.0.20.0270.06720.33
7.0.10.0270.04320.06
7.0.00.0200.04020.08
5.6.210.0030.07020.70
5.6.200.0100.06718.16
5.6.190.0070.04020.62
5.6.180.0430.04720.58
5.6.170.0330.07320.47
5.6.160.0070.08320.56
5.6.150.0130.06718.19
5.6.140.0130.07018.29
5.6.130.0100.06718.18
5.6.120.0130.07021.00
5.6.110.0100.07721.14
5.6.100.0170.07721.09
5.6.90.0200.07021.04
5.6.80.0100.03320.41
5.6.70.4230.03320.37
5.5.350.0270.08020.38
5.5.340.0100.07717.93
5.5.330.0070.04320.57
5.5.320.0230.07320.26
5.5.310.0270.07720.49
5.5.300.0000.04018.08
5.5.290.0200.07017.99
5.5.280.0130.05720.84
5.5.270.0230.07320.87
5.5.260.0030.07020.84
5.5.250.0030.05020.71
5.5.240.0200.06320.19
5.4.450.0030.07719.42
5.4.440.0030.08019.54
5.4.430.0030.07719.45
5.4.420.0070.07319.39
5.4.410.0030.07719.37
5.4.400.0070.06719.15
5.4.390.0030.08019.35
5.4.380.0000.07319.20
5.4.370.0030.06719.26
5.4.360.0000.05319.09
5.4.350.0000.07019.09
5.4.340.0070.07719.22
5.4.320.0100.06019.20
5.4.310.0000.07018.99
5.4.300.0030.06018.99
5.4.290.0000.08019.13
5.4.280.0030.07319.15
5.4.270.0070.07018.97
5.4.260.0000.07718.98
5.4.250.0070.05019.23
5.4.240.0030.06019.14
5.4.230.0030.04018.86
5.4.220.0000.08719.13
5.4.210.0000.08319.21
5.4.200.0070.07018.97
5.4.190.0100.06718.97
5.4.180.0030.06319.07
5.4.170.0070.07019.14
5.4.160.0030.08019.09
5.4.150.0070.07019.21
5.4.140.0100.06716.34
5.4.130.0030.06316.32
5.4.120.0070.05316.33
5.4.110.0030.05016.56
5.4.100.0070.03716.35
5.4.90.0070.05716.54
5.4.80.0000.06016.55
5.4.70.0130.05016.57
5.4.60.0000.06316.43
5.4.50.0000.07716.53
5.4.40.0030.07016.43
5.4.30.0070.06316.52
5.4.20.0000.07716.44
5.4.10.0030.07016.23
5.4.00.0070.07015.79
5.3.290.0070.07714.67
5.3.280.0030.06314.81
5.3.270.0100.06714.50
5.3.260.0070.05714.83
5.3.250.0000.04714.59
5.3.240.0030.03714.82
5.3.230.0100.06714.58
5.3.220.0030.03714.72
5.3.210.0030.05714.58
5.3.200.0000.04714.79
5.3.190.0000.06714.53
5.3.180.0000.08014.55
5.3.170.0000.07714.61
5.3.160.0000.07314.56
5.3.150.0030.07714.55
5.3.140.0070.07014.55
5.3.130.0070.05714.45
5.3.120.0000.08014.45
5.3.110.0100.07314.54
5.3.100.0070.06714.02
5.3.90.0100.06314.04
5.3.80.0000.06313.92
5.3.70.0030.06314.09
5.3.60.0030.07014.02
5.3.50.0130.06013.96
5.3.40.0030.04314.11
5.3.30.0070.07313.92
5.3.20.0000.07013.77
5.3.10.0000.06713.56
5.3.00.0000.05313.79
5.2.170.0030.04013.22
5.2.160.0070.03313.22
5.2.150.0000.05013.22
5.2.140.0030.06013.22
5.2.130.0070.06013.22
5.2.120.0030.05713.22
5.2.110.0030.03313.22
5.2.100.0000.04013.22
5.2.90.0030.06013.22
5.2.80.0070.05313.22
5.2.70.0030.06013.22
5.2.60.0030.04713.22
5.2.50.0030.03713.22
5.2.40.0030.06313.22
5.2.30.0070.05313.22
5.2.20.0070.05313.22
5.2.10.0000.04713.22
5.2.00.0030.06013.22
5.1.60.0000.05013.22
5.1.50.0030.05313.22
5.1.40.0070.04713.22
5.1.30.0000.05013.22
5.1.20.0070.05313.22
5.1.10.0000.05713.22
5.1.00.0030.05713.22
5.0.50.0000.04713.22
5.0.40.0000.03313.22
5.0.30.0030.06713.22
5.0.20.0000.04713.22
5.0.10.0030.03313.22
5.0.00.0070.05713.22
4.4.90.0070.03013.22
4.4.80.0000.03713.22
4.4.70.0000.02313.22
4.4.60.0000.03713.22
4.4.50.0000.03313.22
4.4.40.0000.04713.22
4.4.30.0030.03313.22
4.4.20.0030.03313.22
4.4.10.0000.03713.22
4.4.00.0030.03013.22
4.3.110.0030.02013.22
4.3.100.0000.02313.22
4.3.90.0000.03713.22
4.3.80.0000.04313.22
4.3.70.0000.02313.22
4.3.60.0030.02013.22
4.3.50.0030.03013.22
4.3.40.0000.05713.22
4.3.30.0000.03313.22
4.3.20.0030.03313.22
4.3.10.0030.02713.22
4.3.00.0070.03313.22

preferences:
45.05 ms | 401 KiB | 5 Q