3v4l.org

run code in 300+ PHP versions simultaneously
<?php $aa = 'str2'; function doom(){ $a = 'str'; $b = 2; return print_r(get_defined_vars(),true); } echo doom();

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)
8.3.60.0070.01116.63
8.3.50.0110.00418.05
8.3.40.0140.00318.80
8.3.30.0140.00018.88
8.3.20.0000.00820.35
8.3.10.0070.00021.75
8.3.00.0040.00420.88
8.2.180.0130.00318.19
8.2.170.0090.00622.96
8.2.160.0130.00022.06
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0070.00019.54
8.2.110.0110.00020.47
8.2.100.0070.00418.09
8.2.90.0040.00419.22
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0030.00517.80
8.2.50.0080.00018.07
8.2.40.0060.00319.88
8.2.30.0070.00017.96
8.2.20.0000.00817.67
8.2.10.0040.00417.93
8.2.00.0050.00217.58
8.1.280.0070.00725.92
8.1.270.0040.00418.86
8.1.260.0070.00026.35
8.1.250.0060.00328.09
8.1.240.0070.00323.73
8.1.230.0110.00019.16
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0020.00517.35
8.1.180.0040.00418.10
8.1.170.0030.00618.46
8.1.160.0070.00021.93
8.1.150.0000.00918.80
8.1.140.0030.00519.05
8.1.130.0030.00317.70
8.1.120.0040.00417.39
8.1.110.0040.00417.45
8.1.100.0050.00317.26
8.1.90.0040.00417.32
8.1.80.0000.00717.43
8.1.70.0070.00017.36
8.1.60.0040.00417.56
8.1.50.0070.00317.47
8.1.40.0040.00417.48
8.1.30.0030.00617.66
8.1.20.0030.00517.62
8.1.10.0000.00817.51
8.1.00.0030.00517.35
8.0.300.0000.00718.77
8.0.290.0070.00016.63
8.0.280.0030.00318.43
8.0.270.0050.00317.25
8.0.260.0060.00017.26
8.0.250.0030.00316.98
8.0.240.0000.00716.94
8.0.230.0000.00816.77
8.0.220.0040.00416.78
8.0.210.0030.00316.70
8.0.200.0000.00616.95
8.0.190.0070.00016.87
8.0.180.0000.00716.89
8.0.170.0080.00016.81
8.0.160.0030.00616.70
8.0.150.0070.00016.72
8.0.140.0070.00016.68
8.0.130.0060.00013.14
8.0.120.0040.00416.77
8.0.110.0040.00416.85
8.0.100.0080.00016.64
8.0.90.0040.00416.68
8.0.80.0110.01116.80
8.0.70.0000.00716.70
8.0.60.0050.00316.83
8.0.50.0040.00416.64
8.0.30.0040.00917.02
8.0.20.0090.01017.40
8.0.10.0000.00716.81
8.0.00.0110.00516.60
7.4.330.0070.00015.03
7.4.320.0000.00616.41
7.4.300.0030.00316.45
7.4.290.0070.00016.59
7.4.280.0070.00016.46
7.4.270.0070.00016.57
7.4.260.0030.00316.57
7.4.250.0050.00516.48
7.4.240.0020.00516.51
7.4.230.0030.00316.43
7.4.220.0070.01416.64
7.4.210.0090.00516.65
7.4.200.0070.00016.69
7.4.160.0030.01516.49
7.4.150.0090.00917.40
7.4.140.0180.00517.86
7.4.130.0060.01016.41
7.4.120.0080.00916.61
7.4.110.0120.00916.54
7.4.100.0090.00616.46
7.4.90.0170.00016.41
7.4.80.0130.00319.39
7.4.70.0080.01116.44
7.4.60.0030.01416.47
7.4.50.0090.00016.12
7.4.40.0040.01316.46
7.4.30.0030.01316.45
7.4.00.0070.01015.14
7.3.330.0020.00213.14
7.3.320.0130.00513.31
7.3.310.0050.00216.13
7.3.300.0000.00616.08
7.3.290.0020.00516.25
7.3.280.0090.00616.23
7.3.270.0150.00617.40
7.3.260.0090.01216.55
7.3.250.0080.00916.43
7.3.240.0140.00316.62
7.3.230.0030.01716.39
7.3.210.0100.00716.16
7.3.200.0170.00619.39
7.3.190.0030.01316.37
7.3.180.0090.01216.62
7.3.170.0060.01016.46
7.3.160.0130.00316.29
7.2.330.0070.01016.52
7.2.320.0100.01316.31
7.2.310.0090.00916.57
7.2.300.0080.01416.59
7.2.290.0170.00016.64
7.2.60.0090.00616.41
7.2.00.0070.01019.41
7.1.100.0030.00918.10
7.1.70.0030.00517.13
7.1.60.0040.01819.46
7.1.50.0120.01216.49
7.1.00.0130.06722.48
7.0.200.0040.00416.71
7.0.140.0130.04721.99
7.0.60.0070.07319.95
7.0.50.0070.07717.88
7.0.40.0030.04320.14
7.0.30.0330.06020.13
7.0.20.0270.04320.12
7.0.10.0130.07720.24
7.0.00.0170.08020.23
5.6.280.0070.06720.90
5.6.210.0100.07320.61
5.6.200.0070.08018.15
5.6.190.0070.09020.48
5.6.180.0500.07020.65
5.6.170.0100.05020.58
5.6.160.0070.08720.44
5.6.150.0030.07718.12
5.6.140.0070.04018.14
5.6.130.0100.03318.14
5.6.120.0030.07721.00
5.6.110.0030.08320.99
5.6.100.0030.05021.01
5.6.90.0170.07020.99
5.6.80.0170.07020.42
5.5.350.0230.07020.43
5.5.340.0070.08017.94
5.5.330.0100.04020.25
5.5.320.0030.08020.24
5.5.310.0230.05020.50
5.5.300.0000.04317.99
5.5.290.0070.08318.04
5.5.280.0130.06020.80
5.5.270.0070.03720.86
5.5.260.0030.06020.87
5.5.250.0130.03020.77
5.5.240.0100.06020.27
5.4.450.0530.05719.50
5.4.440.0800.06719.38
5.4.430.0400.06719.55
5.4.420.0970.06019.19
5.4.410.0670.06319.48
5.4.400.0730.05019.04
5.4.390.0930.05718.66
5.4.380.1030.05718.51
5.4.370.1200.07018.85
5.4.360.1000.05318.72
5.4.350.1170.05318.84
5.4.340.1030.06018.70
5.4.320.1000.05718.63
5.4.310.1100.04718.78
5.4.300.1030.05318.74
5.4.290.1100.05018.71
5.4.280.0900.06718.68
5.4.270.1000.06018.84
5.4.260.1000.05318.49
5.4.250.1330.07018.75
5.4.240.1100.07318.78
5.4.230.0970.05318.78
5.4.220.0900.06718.51
5.4.210.1030.04718.56
5.4.200.0870.06016.61
5.4.190.1100.05318.75
5.4.180.1030.06318.59
5.4.170.1030.05718.59
5.4.160.1030.06318.60
5.4.150.0900.06018.73
5.4.140.1030.05016.43
5.4.130.0970.05316.26
5.4.120.0930.05716.45
5.4.110.1000.04716.29
5.4.100.1000.05316.42
5.4.90.1200.03316.49
5.4.80.1100.04316.27
5.4.70.1000.05716.29
5.4.60.1100.05316.31
5.4.50.1000.04716.27
5.4.40.1030.05016.27
5.4.30.1170.04716.20
5.4.20.1030.06316.19
5.4.10.1070.06316.26
5.4.00.1100.05715.75
5.3.290.1030.05714.85
5.3.280.1230.06014.64
5.3.270.0930.06014.62
5.3.260.1000.05314.64
5.3.250.0930.05314.79
5.3.240.0970.05714.76
5.3.230.1030.06314.64
5.3.220.1170.06714.59
5.3.210.1030.05014.59
5.3.200.1000.05014.62
5.3.190.1100.05714.60
5.3.180.1130.05014.61
5.3.170.1030.06014.59
5.3.160.1000.07314.70
5.3.150.1030.05314.77
5.3.140.1100.06714.73
5.3.130.0970.05714.55
5.3.120.0970.06014.71
5.3.110.1100.04714.65
5.3.100.1170.05314.26
5.3.90.0970.07014.23
5.3.80.1200.06314.11
5.3.70.1270.05714.23
5.3.60.1000.05014.04
5.3.50.1100.05314.07
5.3.40.1030.05014.11
5.3.30.0970.04713.94
5.3.20.1070.05013.76
5.3.10.1030.05013.88
5.3.00.0970.05713.82
5.2.170.0800.05011.16
5.2.160.0830.04711.13
5.2.150.0900.04011.25
5.2.140.0970.03711.26
5.2.130.0900.04311.32
5.2.120.0830.04311.20
5.2.110.0830.04011.32
5.2.100.0830.04011.11
5.2.90.0900.03711.15
5.2.80.0900.03711.20
5.2.70.0870.03711.20
5.2.60.0800.04011.11
5.2.50.0830.04711.14
5.2.40.0630.04711.09
5.2.30.0700.05011.07
5.2.20.0600.04311.06
5.2.10.0800.04710.96
5.2.00.0600.04310.78
5.1.60.0600.03710.07
5.1.50.0530.03310.18
5.1.40.0670.03310.18
5.1.30.0600.04010.44
5.1.20.0670.04310.44
5.1.10.0570.05010.09
5.1.00.0830.04310.15
5.0.50.0430.0378.62
5.0.40.0400.0238.54
5.0.30.0430.0438.40
5.0.20.0370.0238.22
5.0.10.0370.0308.20
5.0.00.0300.0438.14
4.4.90.0270.0235.88
4.4.80.0270.0236.02
4.4.70.0270.0235.87
4.4.60.0370.0205.95
4.4.50.0370.0176.02
4.4.40.0300.0375.97
4.4.30.0370.0175.91
4.4.20.0300.0235.98
4.4.10.0370.0275.93
4.4.00.0400.0306.00
4.3.110.0270.0305.94
4.3.100.0300.0275.87
4.3.90.0430.0205.80
4.3.80.0370.0335.88
4.3.70.0370.0205.79
4.3.60.0270.0275.80
4.3.50.0300.0235.80
4.3.40.0370.0375.76
4.3.30.0100.0304.75
4.3.20.0200.0204.75
4.3.10.0170.0234.75
4.3.00.0030.01714.47

preferences:
50.92 ms | 400 KiB | 5 Q