3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 10; $foo = null; $ref = &$foo; do { $ref = array('foo' => 'bar'); $ref = &$ref['foo']; } while (--$x); echo $foo{'foo'}['foo']{'foo'}['foo']{'foo'}['foo']{'foo'}['foo']{'foo'};

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)
8.3.60.0060.01218.51
8.3.50.0110.00321.99
8.3.40.0140.00618.76
8.3.30.0130.00718.84
8.3.20.0040.00420.16
8.3.10.0080.00021.92
8.3.00.0040.00422.48
8.2.180.0070.01418.17
8.2.170.0120.00322.96
8.2.160.0060.00920.69
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0000.01026.16
8.2.120.0040.00419.23
8.2.110.0040.00422.24
8.2.100.0080.00317.78
8.2.90.0000.00719.09
8.2.80.0000.00817.97
8.2.70.0090.00017.35
8.2.60.0060.00617.78
8.2.50.0050.00318.07
8.2.40.0070.00017.97
8.2.30.0040.00417.79
8.2.20.0030.00617.35
8.2.10.0050.00317.37
8.2.00.0070.00017.45
8.1.280.0090.00625.92
8.1.270.0080.00022.19
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00323.88
8.1.230.0100.00319.16
8.1.220.0000.01017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.22
8.1.190.0040.00417.29
8.1.180.0050.00318.43
8.1.170.0060.00318.53
8.1.160.0040.00421.86
8.1.150.0000.00718.49
8.1.140.0030.00617.32
8.1.130.0030.00317.68
8.1.120.0070.00017.30
8.1.110.0000.00717.34
8.1.100.0040.00417.19
8.1.90.0040.00417.31
8.1.80.0030.00617.21
8.1.70.0030.00317.20
8.1.60.0030.00617.43
8.1.50.0000.00817.38
8.1.40.0000.00717.43
8.1.30.0040.00417.54
8.1.20.0060.00317.48
8.1.10.0080.00017.29
8.1.00.0080.00017.33
8.0.300.0000.00718.77
8.0.290.0000.00716.91
8.0.280.0070.00018.30
8.0.270.0030.00317.12
8.0.260.0000.00816.75
8.0.250.0000.00716.89
8.0.240.0040.00416.77
8.0.230.0030.00316.77
8.0.220.0040.00416.72
8.0.210.0070.00016.75
8.0.200.0030.00316.89
8.0.190.0040.00416.76
8.0.180.0040.00416.86
8.0.170.0080.00016.75
8.0.160.0080.00016.87
8.0.150.0030.00316.78
8.0.140.0000.00716.70
8.0.130.0080.00413.28
8.0.120.0000.00816.77
8.0.110.0000.00816.81
8.0.100.0040.00416.91
8.0.90.0050.00216.76
8.0.80.0100.00316.86
8.0.70.0050.00216.77
8.0.60.0000.00716.88
8.0.50.0050.00216.69
8.0.30.0050.01516.76
8.0.20.0110.01417.40
8.0.10.0040.00416.84
8.0.00.0070.01016.62
7.4.330.0050.00015.00
7.4.320.0030.00316.45
7.4.300.0040.00416.51
7.4.290.0030.00316.57
7.4.280.0070.00016.48
7.4.270.0040.00416.38
7.4.260.0050.00216.43
7.4.250.0000.00816.36
7.4.240.0040.00316.44
7.4.230.0000.00716.56
7.4.220.0130.00716.45
7.4.210.0050.00916.49
7.4.200.0030.00316.56
7.4.190.0000.00716.64
7.4.160.0120.01216.38
7.4.150.0060.01517.40
7.4.140.0080.01217.86
7.4.130.0090.00916.49
7.4.120.0090.01016.49
7.4.110.0120.00616.57
7.4.100.0090.01016.39
7.4.90.0070.01116.38
7.4.80.0070.01019.39
7.4.70.0190.00316.38
7.4.60.0060.01216.70
7.4.50.0000.00716.54
7.4.40.0090.00922.77
7.4.30.0110.00416.35
7.4.00.0140.00315.14
7.3.330.0060.00013.17
7.3.320.0050.00013.05
7.3.310.0070.00016.34
7.3.300.0000.00716.23
7.3.290.0040.01116.21
7.3.280.0050.01016.34
7.3.270.0090.01117.40
7.3.260.0180.00016.41
7.3.250.0090.00916.55
7.3.240.0030.01416.49
7.3.230.0150.00616.39
7.3.210.0060.00916.23
7.3.200.0090.00619.39
7.3.190.0110.00616.39
7.3.180.0100.01316.39
7.3.170.0100.00716.35
7.3.160.0060.00916.27
7.3.120.0030.01014.68
7.3.110.0090.00614.81
7.3.100.0060.00614.81
7.3.90.0100.00314.49
7.3.80.0070.00714.63
7.3.70.0000.01314.67
7.3.60.0070.00714.82
7.3.50.0060.00914.42
7.3.40.0060.01014.61
7.3.30.0000.01114.78
7.3.20.0040.01216.40
7.3.10.0000.01716.32
7.3.00.0030.01016.33
7.2.330.0070.01516.33
7.2.320.0110.00716.67
7.2.310.0100.00716.65
7.2.300.0120.00616.65
7.2.290.0090.00616.68
7.2.240.0060.01015.04
7.2.230.0040.01115.00
7.2.220.0090.00914.91
7.2.210.0000.01114.73
7.2.200.0050.00314.96
7.2.190.0070.00415.01
7.2.180.0070.00714.78
7.2.170.0070.00715.01
7.2.160.0120.00314.87
7.2.150.0070.00416.97
7.2.140.0030.00716.55
7.2.130.0100.00016.77
7.2.120.0100.00716.80
7.2.110.0070.00717.00
7.2.100.0070.00716.95
7.2.90.0100.00716.89
7.2.80.0120.00316.91
7.2.70.0120.00316.92
7.2.60.0050.00916.93
7.2.50.0060.01216.66
7.2.40.0040.00716.57
7.2.30.0090.00916.71
7.2.20.0070.01016.77
7.2.10.0000.01116.58
7.2.00.0070.00817.98
7.1.330.0090.00615.67
7.1.320.0040.00815.74
7.1.310.0090.00315.52
7.1.300.0040.01115.69
7.1.290.0070.01015.73
7.1.280.0070.00715.55
7.1.270.0070.00715.70
7.1.260.0060.00915.77
7.1.250.0060.00915.79
7.1.200.0050.00515.83
7.1.100.0070.00718.15
7.1.70.0030.00717.16
7.1.60.0100.01419.82
7.1.50.0070.01617.05
7.1.00.0100.08322.45
7.0.200.0090.00316.85
7.0.140.0070.07022.09
7.0.60.0100.07319.86
7.0.50.0030.05317.88
7.0.40.0070.05720.31
7.0.30.0300.08020.21
7.0.20.0230.08020.13
7.0.10.0130.07720.25
7.0.00.0030.05020.08
5.6.280.0070.07020.93
5.6.210.0100.08320.52
5.6.200.0000.07018.17
5.6.190.0130.08720.67
5.6.180.3370.03320.48
5.6.170.0130.07020.46
5.6.160.0070.04320.52
5.6.150.0070.07718.23
5.6.140.0000.04318.16
5.6.130.0070.08018.18
5.6.120.0000.10021.01
5.6.110.0030.04320.96
5.6.100.0200.06721.00
5.6.90.0070.08021.03
5.6.80.0100.07320.40
5.6.70.4470.04020.39
5.5.350.0300.06720.38
5.5.340.0070.05317.91
5.5.330.0030.04320.13
5.5.320.3800.03320.30
5.5.310.0270.07720.13
5.5.300.0030.03717.97
5.5.290.0000.04717.96
5.5.280.0030.09320.76
5.5.270.0130.04020.95
5.5.260.0030.05720.95
5.5.250.0200.06720.61
5.5.240.0230.07020.35
5.4.450.0070.06019.29
5.4.440.0470.06319.48
5.4.430.0030.06019.53
5.4.420.0130.05019.42
5.4.410.0130.05019.36
5.4.400.0770.00018.69
5.4.390.1070.00018.72
5.4.380.0430.05318.61
5.4.370.1000.05318.71
5.4.360.0870.05318.61
5.4.350.1070.05318.63
5.4.340.0970.05718.78
5.4.320.0070.03612.45
5.4.310.0040.03912.45
5.4.300.0050.03812.46
5.4.290.0110.04312.45
5.4.280.0090.03812.35
5.4.270.0080.03312.35
5.4.260.0130.05318.74
5.4.250.0200.04718.89
5.4.240.0200.07019.01
5.4.230.0000.06319.02
5.4.220.0130.05318.92
5.4.210.0170.06018.88
5.4.200.0130.06018.89
5.4.190.0100.05019.02
5.4.180.0170.05018.67
5.4.170.0130.05718.73
5.4.160.0200.06018.92
5.4.150.0070.05718.79
5.4.140.0130.05016.47
5.4.130.0170.05316.25
5.4.120.0100.04716.24
5.4.110.0030.08016.39
5.4.100.0130.04716.42
5.4.90.0170.06316.45
5.4.80.0230.04716.47
5.4.70.0170.06316.39
5.4.60.0030.05716.34
5.4.50.0200.05316.36
5.4.40.0100.05016.39
5.4.30.0130.04716.47
5.4.20.0030.05316.40
5.4.10.0230.04716.39
5.4.00.0170.04715.93
5.3.290.0030.04212.80
5.3.280.0200.04714.45
5.3.270.0070.06714.65
5.3.260.0130.05714.49
5.3.250.0100.06014.62
5.3.240.0100.06014.62
5.3.230.0070.06014.48
5.3.220.0130.05014.48
5.3.210.0170.05014.57
5.3.200.0130.05714.42
5.3.190.0170.06014.59
5.3.180.0070.06314.40
5.3.170.0170.06314.33
5.3.160.0300.05714.34
5.3.150.0100.06714.44
5.3.140.0030.08014.71
5.3.130.0130.04714.54
5.3.120.0130.05014.46
5.3.110.0130.07014.56
5.3.100.0100.05014.02
5.3.90.0100.05013.79
5.3.80.0200.06014.06
5.3.70.0330.02714.03
5.3.60.0100.05314.04
5.3.50.0130.04713.84
5.3.40.0070.05313.80
5.3.30.0100.05313.60
5.3.20.0100.04313.46
5.3.10.0000.05713.52
5.3.00.0070.05013.57
5.2.170.0030.04711.06
5.2.160.0130.04711.25
5.2.150.0000.04711.14
5.2.140.0030.04311.06
5.2.130.0000.04311.12
5.2.120.0100.04711.04
5.2.110.0070.04711.11
5.2.100.0030.04011.03
5.2.90.0000.04711.25
5.2.80.0100.05311.08
5.2.70.0070.05311.11
5.2.60.0070.05011.16
5.2.50.0100.04010.94
5.2.40.0100.03310.99
5.2.30.0100.05711.08
5.2.20.0030.05310.89
5.2.10.0100.03710.76
5.2.00.0100.03710.63
5.1.60.0070.0339.77
5.1.50.0070.03710.04
5.1.40.0130.04010.03
5.1.30.0200.02710.26
5.1.20.0000.04010.19
5.1.10.0070.0339.99
5.1.00.0130.03010.11
5.0.50.0070.0278.46
5.0.40.0100.0238.45
5.0.30.0100.0438.26
5.0.20.0000.0308.24
5.0.10.0030.0308.21
5.0.00.0000.0578.21
4.4.90.0030.0308.00
4.4.80.0000.0338.00
4.4.70.0000.0338.00
4.4.60.0030.0208.00
4.4.50.0070.0208.00
4.4.40.0000.0508.00
4.4.30.0030.0208.00
4.4.20.0030.0308.00
4.4.10.0030.0208.00
4.4.00.0070.0378.00
4.3.110.0000.0338.00
4.3.100.0070.0178.00
4.3.90.0070.0177.41
4.3.80.0070.0407.41
4.3.70.0070.0277.41
4.3.60.0070.0177.41
4.3.50.0070.0207.41
4.3.40.0030.0437.41
4.3.30.0030.0237.41
4.3.20.0000.0337.41
4.3.10.0000.0237.41
4.3.00.0000.0238.20

preferences:
37.42 ms | 401 KiB | 5 Q