3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = '2dz'; for ($i = 0; $i<27; $i++) { $a--; echo $a . ' '; }

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)
8.3.60.0070.01418.55
8.3.50.0120.00816.36
8.3.40.0030.01218.84
8.3.30.0070.01118.96
8.3.20.0040.00420.21
8.3.10.0040.00423.52
8.3.00.0030.00519.19
8.2.180.0110.01118.16
8.2.170.0040.01122.96
8.2.160.0040.01122.08
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0000.00726.16
8.2.120.0050.00321.13
8.2.110.0030.00622.21
8.2.100.0110.00017.84
8.2.90.0040.00417.75
8.2.80.0030.00618.56
8.2.70.0030.00518.05
8.2.60.0070.00018.16
8.2.50.0030.00519.23
8.2.40.0050.00321.04
8.2.30.0000.00719.22
8.2.20.0030.00517.66
8.2.10.0000.00717.93
8.2.00.0000.00817.73
8.1.280.0150.00025.92
8.1.270.0040.00418.79
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00723.98
8.1.230.0080.00420.91
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0000.00817.25
8.1.180.0040.00419.04
8.1.170.0080.00018.66
8.1.160.0000.00718.92
8.1.150.0000.00818.81
8.1.140.0070.00017.38
8.1.130.0000.00717.72
8.1.120.0040.00417.39
8.1.110.0040.00417.29
8.1.100.0000.00717.36
8.1.90.0030.00317.37
8.1.80.0000.00717.28
8.1.70.0000.00717.41
8.1.60.0040.00417.52
8.1.50.0000.00817.41
8.1.40.0020.00517.43
8.1.30.0040.00417.51
8.1.20.0060.00317.47
8.1.10.0040.00417.50
8.1.00.0000.00817.33
8.0.300.0070.00018.77
8.0.290.0050.00316.63
8.0.280.0030.00318.43
8.0.270.0040.00417.31
8.0.260.0030.00317.21
8.0.250.0030.00316.96
8.0.240.0000.00716.86
8.0.230.0030.00516.96
8.0.220.0040.00416.75
8.0.210.0050.00316.84
8.0.200.0060.00016.95
8.0.190.0040.00416.82
8.0.180.0030.00416.92
8.0.170.0040.00416.79
8.0.160.0030.00316.82
8.0.150.0000.00716.84
8.0.140.0030.00316.84
8.0.130.0000.00613.30
8.0.120.0000.00816.87
8.0.110.0000.00716.78
8.0.100.0000.00816.84
8.0.90.0040.00416.93
8.0.80.0140.00716.79
8.0.70.0000.00716.83
8.0.60.0040.00416.87
8.0.50.0000.00716.68
8.0.30.0080.01617.05
8.0.20.0100.01017.40
8.0.10.0040.00416.84
8.0.00.0090.00916.66
7.4.330.0050.00015.03
7.4.320.0030.00316.57
7.4.300.0030.00316.51
7.4.290.0040.00416.54
7.4.280.0040.00416.42
7.4.270.0040.00416.35
7.4.260.0000.00816.53
7.4.250.0070.00016.44
7.4.240.0030.00316.49
7.4.230.0000.00716.55
7.4.220.0090.00916.57
7.4.210.0060.01016.57
7.4.200.0030.00316.18
7.4.160.0060.00916.45
7.4.150.0040.01317.40
7.4.140.0130.00717.86
7.4.130.0100.00916.45
7.4.120.0120.00416.46
7.4.110.0150.00416.53
7.4.100.0100.01016.56
7.4.90.0130.01016.44
7.4.80.0110.00819.39
7.4.70.0040.01216.37
7.4.60.0060.01116.51
7.4.50.0040.00416.33
7.4.40.0030.01316.37
7.4.30.0110.00616.49
7.4.00.0020.01515.05
7.3.330.0030.00313.10
7.3.320.0030.00313.02
7.3.310.0040.00416.19
7.3.300.0030.00316.26
7.3.290.0060.00816.27
7.3.280.0100.01116.29
7.3.270.0060.01217.40
7.3.260.0170.00916.25
7.3.250.0110.00616.40
7.3.240.0090.00916.47
7.3.230.0100.00616.59
7.3.210.0090.00816.43
7.3.200.0080.00819.39
7.3.190.0100.00716.32
7.3.180.0140.00716.24
7.3.170.0060.01316.45
7.3.160.0100.00716.29
7.3.120.0060.01315.07
7.3.110.0150.00414.91
7.3.100.0000.01714.88
7.3.90.0000.01214.63
7.3.80.0030.01214.79
7.3.70.0070.00714.94
7.3.60.0030.00914.52
7.3.50.0100.00314.48
7.3.40.0100.00714.75
7.3.30.0060.00314.71
7.3.20.0070.00716.60
7.3.10.0000.00916.63
7.3.00.0090.00616.58
7.2.330.0040.01516.63
7.2.320.0050.00416.35
7.2.310.0150.00316.38
7.2.300.0160.00316.52
7.2.290.0070.01016.41
7.2.250.0070.00715.08
7.2.240.0070.01415.05
7.2.230.0120.00314.73
7.2.220.0070.00714.93
7.2.210.0030.00715.14
7.2.200.0030.01314.93
7.2.190.0060.00315.16
7.2.180.0030.01314.91
7.2.170.0000.01414.92
7.2.00.0030.01019.27
7.1.330.0040.01115.86
7.1.320.0070.00715.38
7.1.310.0030.01015.64
7.1.300.0030.00615.42
7.1.290.0000.01415.86
7.1.280.0080.00415.38
7.1.270.0120.00615.79
7.1.260.0040.01115.64
7.1.100.0060.00618.21
7.1.70.0100.00316.87
7.1.60.0090.01519.22
7.1.50.0090.01616.83
7.1.00.0030.07322.45
7.0.200.0030.00716.65
7.0.140.0030.06322.22
7.0.60.0030.04719.83
7.0.50.0130.07317.87
7.0.40.0100.08020.04
7.0.30.0230.04020.09
7.0.20.0330.07720.17
7.0.10.0030.09020.20
7.0.00.0070.05720.23
5.6.280.0100.06721.11
5.6.210.0070.05320.50
5.6.200.0000.04318.19
5.6.190.0030.05720.63
5.6.180.0230.06320.29
5.6.170.0200.05020.33
5.6.160.0030.09020.68
5.6.150.0100.07718.17
5.6.140.0100.07718.11
5.6.130.0130.06318.20
5.6.120.0030.05021.07
5.6.110.0070.07721.10
5.6.100.0030.08720.97
5.6.90.0130.04721.09
5.6.80.0000.08720.40
5.5.350.0200.07320.40
5.5.340.0030.04018.02
5.5.330.0130.05720.28
5.5.320.0500.06020.52
5.5.310.0200.04020.21
5.5.300.0130.07317.93
5.5.290.0030.04017.91
5.5.280.0100.07020.76
5.5.270.0100.06020.96
5.5.260.0130.06320.79
5.5.250.0100.06020.71
5.5.240.0000.04720.07
5.4.450.0370.05319.60
5.4.440.0200.05319.43
5.4.430.0130.05719.61
5.4.420.0300.07019.52
5.4.410.0230.04319.29
5.4.400.0130.05319.23
5.4.390.0430.04318.59
5.4.380.0430.06318.45
5.4.370.0300.07718.49
5.4.360.0270.05718.64
5.4.350.0370.05018.64
5.4.340.0300.05018.59
5.4.320.0230.05718.48
5.4.310.0300.05318.50
5.4.300.0300.05018.55
5.4.290.0270.05318.59
5.4.280.0300.05018.47
5.4.270.0270.05318.56
5.4.260.0300.05718.47
5.4.250.0230.05718.71
5.4.240.0230.06018.70
5.4.230.0230.06318.72
5.4.220.0230.06318.63
5.4.210.0500.04718.63
5.4.200.0200.06016.55
5.4.190.0370.04718.49
5.4.180.0300.05318.66
5.4.170.0230.06018.59
5.4.160.0330.04718.66
5.4.150.0400.04018.69
5.4.140.0300.04316.17
5.4.130.0270.05316.18
5.4.120.0330.04716.27
5.4.110.0330.04316.25
5.4.100.0370.04316.07
5.4.90.0300.04716.02
5.4.80.0300.05016.23
5.4.70.0330.05316.28
5.4.60.0370.04716.12
5.4.50.0530.05016.09
5.4.40.0430.07316.15
5.4.30.0400.04716.21
5.4.20.0300.05316.19
5.4.10.0370.05316.31
5.4.00.0200.06315.75
5.3.290.0300.07714.71
5.3.280.0530.06014.64
5.3.270.0500.06014.56
5.3.260.0400.07014.60
5.3.250.0400.05714.60
5.3.240.0400.07314.53
5.3.230.0330.07314.59
5.3.220.0130.07014.45
5.3.210.1030.07314.59
5.3.200.1270.07314.51
5.3.190.1000.07314.55
5.3.180.1030.06714.48
5.3.170.1130.05714.56
5.3.160.0930.05714.63
5.3.150.0970.04714.47
5.3.140.0930.04314.50
5.3.130.1030.06714.59
5.3.120.0770.06714.57
5.3.110.0770.05714.57
5.3.100.0930.05014.13
5.3.90.1070.05713.97
5.3.80.0970.05713.98
5.3.70.0900.05714.04
5.3.60.1000.05713.99
5.3.50.1270.05314.03
5.3.40.0970.06313.89
5.3.30.1230.04713.81
5.3.20.0500.04013.63
5.3.10.0430.05713.63
5.3.00.0330.05713.63
5.2.170.0370.04311.09
5.2.160.0200.04311.13
5.2.150.0470.04711.17
5.2.140.0300.06711.07
5.2.130.0370.05711.15
5.2.120.0300.04311.08
5.2.110.0270.03711.14
5.2.100.0230.04011.13
5.2.90.0230.05011.06
5.2.80.0330.03011.06
5.2.70.0400.04311.12
5.2.60.0370.04011.09
5.2.50.0330.04311.05
5.2.40.0170.04711.13
5.2.30.0300.04011.03
5.2.20.0230.04310.89
5.2.10.0270.04310.86
5.2.00.0170.04010.68
5.1.60.0200.03310.02
5.1.50.0200.0379.99
5.1.40.0170.0339.99
5.1.30.0170.04010.34
5.1.20.0270.03310.38
5.1.10.0270.03310.08
5.1.00.0300.03710.20
5.0.50.0170.0378.66
5.0.40.0170.0278.42
5.0.30.0270.0408.34
5.0.20.0200.0278.21
5.0.10.0070.0338.34
5.0.00.0100.0438.18
4.4.90.0130.0205.86
4.4.80.0170.0175.88
4.4.70.0070.0235.87
4.4.60.0100.0205.88
4.4.50.0130.0235.86
4.4.40.0100.0375.87
4.4.30.0170.0205.86
4.4.20.0070.0235.94
4.4.10.0130.0205.91
4.4.00.0170.0305.89
4.3.110.0070.0275.86
4.3.100.0070.0235.84
4.3.90.0070.0235.82
4.3.80.0070.0405.79
4.3.70.0130.0205.77
4.3.60.0130.0235.80
4.3.50.0100.0235.78
4.3.40.0070.0405.75
4.3.30.0070.0234.58
4.3.20.0070.0234.56
4.3.10.0030.0334.51
4.3.00.0170.0206.72

preferences:
40.02 ms | 400 KiB | 5 Q