3v4l.org

run code in 300+ PHP versions simultaneously
<?php function &myFunction() { $string = "MyString"; var_dump($string); return ($undefined); } for($i = 0; $i < 10; $i++) { $retval = myFunction(); } ?>

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)
8.3.60.0180.00016.63
8.3.50.0140.01018.17
8.3.40.0120.00918.77
8.3.30.0040.01118.66
8.3.20.0040.00418.70
8.3.10.0060.00320.46
8.3.00.0040.00419.13
8.2.180.0160.00318.02
8.2.170.0040.01122.96
8.2.160.0130.00320.56
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0000.00920.46
8.2.110.0050.00520.35
8.2.100.0060.00617.47
8.2.90.0060.00321.07
8.2.80.0080.00019.37
8.2.70.0080.00017.38
8.2.60.0000.00817.77
8.2.50.0050.00318.07
8.2.40.0040.00418.09
8.2.30.0030.00617.96
8.2.20.0000.00917.68
8.2.10.0030.00617.56
8.2.00.0070.00017.60
8.1.280.0000.01425.92
8.1.270.0080.00024.66
8.1.260.0030.00626.35
8.1.250.0080.00028.09
8.1.240.0000.01020.73
8.1.230.0040.00720.91
8.1.220.0040.00417.74
8.1.210.0100.00218.77
8.1.200.0090.00017.35
8.1.190.0070.00017.53
8.1.180.0040.00418.10
8.1.170.0000.00818.90
8.1.160.0000.00718.82
8.1.150.0030.00518.56
8.1.140.0070.00017.29
8.1.130.0000.00717.88
8.1.120.0070.00417.47
8.1.110.0050.00317.36
8.1.100.0000.00717.28
8.1.90.0000.00717.41
8.1.80.0000.00817.43
8.1.70.0070.00017.27
8.1.60.0040.00417.63
8.1.50.0020.00517.48
8.1.40.0050.00317.42
8.1.30.0030.00517.66
8.1.20.0000.00717.62
8.1.10.0000.00817.41
8.1.00.0030.00517.27
8.0.300.0020.00519.90
8.0.290.0040.00416.63
8.0.280.0030.00318.25
8.0.270.0070.00017.11
8.0.260.0030.00516.76
8.0.250.0000.00716.90
8.0.240.0050.00216.88
8.0.230.0000.00716.93
8.0.220.0000.00716.78
8.0.210.0080.00016.81
8.0.200.0000.00616.82
8.0.190.0040.00416.90
8.0.180.0000.00816.75
8.0.170.0030.00616.71
8.0.160.0030.00516.84
8.0.150.0030.00616.73
8.0.140.0040.00416.85
8.0.130.0000.00513.22
8.0.120.0080.00016.85
8.0.110.0040.00416.63
8.0.100.0030.00516.69
8.0.90.0000.00716.80
8.0.80.0170.00016.82
8.0.70.0040.00416.72
8.0.60.0030.00516.78
8.0.50.0050.00216.67
8.0.30.0060.01317.00
8.0.20.0140.00816.95
8.0.10.0050.00216.95
8.0.00.0140.00416.52
7.4.330.0030.00312.79
7.4.320.0060.00016.40
7.4.300.0030.00316.52
7.4.290.0070.00016.36
7.4.280.0040.00416.49
7.4.270.0070.00016.57
7.4.260.0000.00513.30
7.4.250.0030.00616.59
7.4.240.0000.00716.50
7.4.230.0000.00716.51
7.4.220.0060.00916.59
7.4.210.0080.00816.61
7.4.200.0000.00716.25
7.4.190.0000.00716.66
7.4.160.0120.00316.55
7.4.150.0120.00616.29
7.4.140.0090.01116.36
7.4.130.0060.01216.43
7.4.120.0070.01116.49
7.4.110.0110.00616.48
7.4.100.0090.00916.46
7.4.90.0090.00916.47
7.4.80.0070.01019.39
7.4.70.0080.01616.69
7.4.60.0170.00316.40
7.4.50.0100.00316.43
7.4.40.0100.00616.60
7.4.30.0040.01316.41
7.4.00.0060.00914.79
7.3.330.0050.00213.29
7.3.320.0060.00013.29
7.3.310.0030.00316.19
7.3.300.0070.00016.26
7.3.290.0060.01116.25
7.3.280.0070.00816.31
7.3.270.0040.01716.49
7.3.260.0160.00216.43
7.3.250.0100.00716.39
7.3.240.0070.01016.30
7.3.230.0050.01116.34
7.3.210.0080.00916.37
7.3.200.0100.01316.17
7.3.190.0180.00416.41
7.3.180.0160.00016.46
7.3.170.0100.00716.38
7.3.160.0110.00516.48
7.3.120.0100.00714.86
7.2.330.0100.00716.65
7.2.320.0080.01116.55
7.2.310.0110.00716.73
7.2.300.0100.00716.57
7.2.290.0090.01216.75
7.2.00.0100.00319.27
7.1.100.0000.01018.04
7.1.70.0070.01017.25
7.1.60.0040.00717.15
7.1.50.0070.01417.01
7.1.00.0000.03722.40
7.0.200.0030.01416.87
7.0.140.0000.08021.92
7.0.60.0130.06320.02
7.0.50.0070.08317.88
7.0.40.0170.08720.09
7.0.30.0170.04320.16
7.0.20.0270.07720.07
7.0.10.0000.08320.23
7.0.00.0000.09020.07
5.6.280.0100.06721.11
5.6.210.0030.08320.57
5.6.200.0070.06718.19
5.6.190.0100.03720.61
5.6.180.0330.05020.64
5.6.170.0370.06720.56
5.6.160.0130.06320.43
5.6.150.0070.04018.15
5.6.140.0070.08718.17
5.6.130.0030.09318.23
5.6.120.0100.08320.93
5.6.110.0030.08020.98
5.6.100.0070.05021.04
5.6.90.0100.08020.98
5.6.80.0130.07320.41
5.5.350.0200.03720.43
5.5.340.0100.07718.02
5.5.330.0100.07320.40
5.5.320.0200.04320.36
5.5.310.0270.05720.39
5.5.300.0130.07318.08
5.5.290.0000.05318.06
5.5.280.0070.05320.97
5.5.270.0070.07020.82
5.5.260.0100.06720.87
5.5.250.0030.09320.69
5.5.240.0130.04720.23
5.4.450.0100.08319.54
5.4.440.0130.04319.48
5.4.430.0070.06719.20
5.4.420.0030.08319.48
5.4.410.0070.06719.45
5.4.400.0100.08719.15
5.4.390.0100.05318.85
5.4.380.0070.03718.87
5.4.370.0030.05019.25
5.4.360.0100.05019.15
5.4.350.0030.06019.14
5.4.340.0070.07718.98
5.4.320.0030.06019.24
5.4.310.0030.08319.08
5.4.300.0070.06319.00
5.4.290.0100.05719.00
5.4.280.0100.07718.87
5.4.270.0100.05318.84
5.4.260.0170.06719.24
5.4.250.0030.04018.84
5.4.240.0030.04018.92
5.4.230.0030.07718.91
5.4.220.0070.07719.14
5.4.210.0070.07319.14
5.4.200.0100.03718.91
5.4.190.0070.07719.07
5.4.180.0330.03719.25
5.4.170.0130.07018.86
5.4.160.0100.07319.06
5.4.150.0030.04318.85
5.4.140.0230.03316.41
5.4.130.0030.04316.49
5.4.120.0100.07016.34
5.4.110.0070.06316.47
5.4.100.0030.05016.46
5.4.90.0100.06716.49
5.4.80.0070.07316.47
5.4.70.0100.07016.41
5.4.60.0030.04316.41
5.4.50.0100.07316.43
5.4.40.0070.04016.44
5.4.30.0000.04716.64
5.4.20.0000.05016.27
5.4.10.0100.07016.44
5.4.00.0030.07015.74
5.3.290.0230.05014.68
5.3.280.0070.07714.63
5.3.270.0130.06014.52
5.3.260.0100.07714.66
5.3.250.0030.05014.66
5.3.240.0170.06014.49
5.3.230.0100.07314.63
5.3.220.0030.07714.45
5.3.210.0130.07714.63
5.3.200.0070.07714.60
5.3.190.0030.08314.64
5.3.180.0000.04714.46
5.3.170.0170.05714.55
5.3.160.0130.04314.55
5.3.150.0170.06014.55
5.3.140.0070.07014.57
5.3.130.0070.06714.55
5.3.120.0100.07714.58
5.3.110.0000.08714.46
5.3.100.0100.05014.07
5.3.90.0070.07314.07
5.3.80.0070.05013.98
5.3.70.0130.04014.16
5.3.60.0100.04313.89
5.3.50.0070.07714.09
5.3.40.0030.05313.91
5.3.30.0000.04713.91
5.3.20.0170.03313.68
5.3.10.0130.06313.71
5.3.00.0100.04313.63
5.2.170.0000.04711.14
5.2.160.0070.04011.20
5.2.150.0000.03711.20
5.2.140.0070.03011.30
5.2.130.0070.02711.25
5.2.120.0130.02711.18
5.2.110.0030.06311.06
5.2.100.0070.04011.10
5.2.90.0130.05011.10
5.2.80.0000.05011.10
5.2.70.0000.05711.09
5.2.60.0100.04711.06
5.2.50.0070.04711.07
5.2.40.0070.05710.99
5.2.30.0030.04310.96
5.2.20.0100.05710.92
5.2.10.0030.06310.87
5.2.00.0130.06010.63
5.1.60.0000.06010.54
5.1.50.0030.03710.54
5.1.40.0030.03010.54
5.1.30.0070.05310.54
5.1.20.0070.05310.54
5.1.10.0100.03710.54
5.1.00.0000.04310.54
5.0.50.0030.04310.54
5.0.40.0070.01710.54
5.0.30.0030.06710.54
5.0.20.0000.02710.54
5.0.10.0030.02310.54
5.0.00.0070.04310.54
4.4.90.0130.02710.54
4.4.80.0030.03010.54
4.4.70.0070.02310.54
4.4.60.0000.02010.54
4.4.50.0070.02710.54
4.4.40.0030.04310.54
4.4.30.0030.01710.54
4.4.20.0070.02010.54
4.4.10.0000.03310.54
4.4.00.0070.04010.54
4.3.110.0030.02010.54
4.3.100.0000.02310.54
4.3.90.0070.01310.54
4.3.80.0070.04710.54
4.3.70.0000.02710.54
4.3.60.0070.03010.54
4.3.50.0000.04010.54
4.3.40.0000.04310.54
4.3.30.0030.02710.54
4.3.20.0000.03710.54
4.3.10.0000.03310.54
4.3.00.0030.02010.54

preferences:
54.77 ms | 401 KiB | 5 Q