3v4l.org

run code in 300+ PHP versions simultaneously
<?phpfunction &f() {    $x = "foo";    var_dump($x);    print "$x\n";    return($a);}for ($i = 0; $i < 3; $i++) {    $h = &f();}?>

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)
8.3.70.0140.00716.58
8.3.60.0070.01316.50
8.3.50.0110.00722.87
8.3.40.0070.00718.60
8.3.30.0100.01019.01
8.3.20.0040.00420.09
8.3.10.0040.00421.60
8.3.00.0090.00017.38
8.2.180.0110.00416.38
8.2.170.0100.01022.96
8.2.160.0070.00720.39
8.2.150.0060.00324.18
8.2.140.0120.00624.66
8.2.130.0000.00726.16
8.2.120.0040.00420.94
8.2.110.0090.00020.44
8.2.100.0030.01017.78
8.2.90.0080.00019.25
8.2.80.0030.00517.97
8.2.70.0000.01017.25
8.2.60.0040.00419.43
8.2.50.0040.00418.10
8.2.40.0040.00420.54
8.2.30.0040.00419.09
8.2.20.0070.00017.45
8.2.10.0000.00717.79
8.2.00.0060.00317.58
8.1.280.0070.00725.92
8.1.270.0060.00323.97
8.1.260.0090.00926.35
8.1.250.0040.00428.09
8.1.240.0090.00022.04
8.1.230.0080.00417.71
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0000.00917.35
8.1.190.0050.00317.10
8.1.180.0040.00418.10
8.1.170.0080.00018.46
8.1.160.0040.00418.65
8.1.150.0030.00319.97
8.1.140.0040.00417.27
8.1.130.0000.00717.81
8.1.120.0040.00417.22
8.1.110.0040.00417.21
8.1.100.0030.00317.38
8.1.90.0040.00417.38
8.1.80.0030.00317.30
8.1.70.0000.00717.23
8.1.60.0000.00817.46
8.1.50.0030.00617.29
8.1.40.0050.00317.38
8.1.30.0040.00417.40
8.1.20.0000.00717.57
8.1.10.0070.00017.38
8.1.00.0000.00817.26
8.0.300.0050.00318.77
8.0.290.0040.00416.63
8.0.280.0000.00718.27
8.0.270.0030.00317.19
8.0.260.0030.00317.23
8.0.250.0040.00416.83
8.0.240.0000.00716.83
8.0.230.0030.00316.78
8.0.220.0000.00716.64
8.0.210.0000.00716.68
8.0.200.0000.00616.82
8.0.190.0050.00216.71
8.0.180.0000.00716.82
8.0.170.0000.00816.77
8.0.160.0070.00016.63
8.0.150.0110.00016.70
8.0.140.0070.00316.75
8.0.130.0000.00613.40
8.0.120.0040.00416.67
8.0.110.0000.00816.78
8.0.100.0050.00216.63
8.0.90.0030.00416.82
8.0.80.0060.01016.71
8.0.70.0040.00416.81
8.0.60.0050.00316.78
8.0.50.0040.00416.76
8.0.30.0060.01316.90
8.0.20.0080.01117.40
8.0.10.0080.00016.92
8.0.00.0100.01116.66
7.4.330.0060.00015.00
7.4.320.0030.00316.47
7.4.300.0040.00416.37
7.4.290.0030.00316.48
7.4.280.0070.00016.43
7.4.270.0030.00316.46
7.4.260.0040.00416.45
7.4.250.0040.00416.33
7.4.240.0030.00416.45
7.4.230.0000.00616.25
7.4.220.0140.00316.56
7.4.210.0040.01216.40
7.4.200.0030.00316.48
7.4.160.0060.00916.45
7.4.150.0000.01817.40
7.4.140.0150.00317.86
7.4.130.0090.00916.37
7.4.120.0120.00616.40
7.4.110.0120.00616.40
7.4.100.0120.00616.34
7.4.90.0100.00616.33
7.4.80.0040.01419.39
7.4.70.0140.00616.43
7.4.60.0150.00616.42
7.4.50.0030.00516.19
7.4.40.0070.01016.14
7.4.30.0100.01616.57
7.3.330.0000.00613.14
7.3.320.0000.00512.94
7.3.310.0000.00816.21
7.3.300.0040.00415.98
7.3.290.0030.01016.08
7.3.280.0100.00816.13
7.3.270.0140.00317.40
7.3.260.0120.00916.45
7.3.250.0060.01116.44
7.3.240.0040.01416.21
7.3.230.0130.00316.39
7.3.210.0070.01016.44
7.3.200.0060.00919.39
7.3.190.0100.00716.36
7.3.180.0100.00916.09
7.3.170.0140.00716.32
7.3.160.0030.01316.19
7.2.330.0040.01416.37
7.2.320.0100.01016.33
7.2.310.0140.00316.39
7.2.300.0090.01316.14
7.2.290.0070.01316.46
5.4.310.3800.03019.06
5.4.300.3670.04318.97
5.4.290.3430.04018.99
5.4.280.3900.04019.13
5.4.270.4370.04018.87
5.4.260.3970.03319.09
5.4.250.0000.04319.24
5.4.240.2930.04019.31
5.4.230.3630.04019.22
5.4.220.3370.04319.08
5.4.210.3700.04319.15
5.4.200.3400.04019.23
5.4.190.3670.04319.23
5.4.180.3930.03719.30
5.4.170.3630.04019.12
5.4.160.2970.03318.83
5.4.150.3730.03019.07
5.4.140.3470.04316.36
5.4.130.3200.03716.51
5.4.120.3670.04716.35
5.4.110.3670.02716.51
5.4.100.3470.03716.56
5.4.90.3430.04016.56
5.4.80.3430.03716.43
5.4.70.3430.03716.35
5.4.60.3670.03716.25
5.4.50.3470.03716.38
5.4.40.3700.03716.56
5.4.30.3670.03316.25
5.4.20.3870.04016.52
5.4.10.4230.03016.42
5.4.00.4200.03315.73

preferences:
38.26 ms | 401 KiB | 5 Q