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'];

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)
8.3.70.0070.01416.36
8.3.60.0180.00018.56
8.3.50.0100.00721.97
8.3.40.0070.01018.62
8.3.30.0100.00719.23
8.3.20.0070.00020.33
8.3.10.0040.00422.14
8.3.00.0090.00022.35
8.2.190.0070.01116.63
8.2.180.0140.00016.71
8.2.170.0030.01422.96
8.2.160.0060.00920.89
8.2.150.0040.00424.18
8.2.140.0030.00724.66
8.2.130.0000.00726.16
8.2.120.0040.00419.61
8.2.110.0070.00322.11
8.2.100.0110.00017.84
8.2.90.0060.00317.88
8.2.80.0090.00018.05
8.2.70.0040.00417.92
8.2.60.0040.00418.03
8.2.50.0030.00518.10
8.2.40.0000.00820.55
8.2.30.0000.00818.19
8.2.20.0000.00717.77
8.2.10.0070.00017.59
8.2.00.0040.00417.58
8.1.280.0140.00425.92
8.1.270.0040.00421.87
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00020.76
8.1.230.0120.00019.12
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0060.00317.25
8.1.190.0040.00416.88
8.1.180.0000.00818.10
8.1.170.0040.00418.57
8.1.160.0040.00422.00
8.1.150.0040.00418.56
8.1.140.0060.00317.31
8.1.130.0030.00317.70
8.1.120.0000.00717.43
8.1.110.0000.00817.30
8.1.100.0000.00817.29
8.1.90.0030.00317.32
8.1.80.0000.00717.40
8.1.70.0030.00317.29
8.1.60.0030.00717.43
8.1.50.0000.00817.35
8.1.40.0020.00517.49
8.1.30.0040.00417.67
8.1.20.0000.00817.70
8.1.10.0040.00417.54
8.1.00.0000.00717.42
8.0.300.0040.00419.82
8.0.290.0000.00816.75
8.0.280.0000.00718.43
8.0.270.0040.00417.19
8.0.260.0000.00716.93
8.0.250.0000.00716.91
8.0.240.0000.00817.06
8.0.230.0070.00016.91
8.0.220.0000.00716.90
8.0.210.0030.00316.88
8.0.200.0070.00016.81
8.0.190.0000.00716.97
8.0.180.0060.00616.81
8.0.170.0000.00816.91
8.0.160.0040.00416.97
8.0.150.0070.00016.87
8.0.140.0070.00016.79
8.0.130.0000.00613.28
8.0.120.0080.00016.87
8.0.110.0080.00016.78
8.0.100.0050.00316.66
8.0.90.0040.00416.78
8.0.80.0080.00816.81
8.0.70.0000.00716.69
8.0.60.0070.00016.95
8.0.50.0000.00716.79
8.0.30.0080.01117.04
8.0.20.0060.01117.40
8.0.10.0040.00417.07
8.0.00.0150.00416.66
7.4.330.0050.00015.00
7.4.320.0060.00016.46
7.4.300.0000.00616.58
7.4.290.0060.00016.54
7.4.280.0000.00716.33
7.4.270.0030.00316.46
7.4.260.0080.00016.51
7.4.250.0040.00416.45
7.4.240.0040.00316.47
7.4.230.0030.00316.25
7.4.220.0070.01016.46
7.4.210.0100.00816.44
7.4.200.0000.00716.25
7.4.190.0030.00316.60
7.4.160.0120.01216.52
7.4.150.0150.00617.40
7.4.140.0100.00817.86
7.4.130.0090.00916.49
7.4.120.0120.00616.53
7.4.110.0030.01316.53
7.4.100.0030.01516.63
7.4.90.0090.00916.42
7.4.80.0090.00919.39
7.4.70.0070.01016.34
7.4.60.0000.01616.48
7.4.50.0050.00316.47
7.4.40.0000.01222.77
7.4.30.0120.00316.47
7.4.00.0090.00814.89
7.3.330.0000.00513.20
7.3.320.0000.00513.18
7.3.310.0070.00016.14
7.3.300.0030.00316.28
7.3.290.0080.00616.38
7.3.280.0070.01116.33
7.3.270.0120.00617.40
7.3.260.0140.01016.34
7.3.250.0100.01216.41
7.3.240.0060.01716.53
7.3.230.0030.01416.48
7.3.210.0090.00916.49
7.3.200.0040.01219.39
7.3.190.0090.00916.28
7.3.180.0090.00616.50
7.3.170.0140.00616.29
7.3.160.0040.01216.21
7.3.120.0070.00814.71
7.3.110.0130.00614.84
7.3.100.0000.01415.03
7.3.90.0060.00314.80
7.3.80.0060.00614.72
7.3.70.0070.01114.59
7.3.60.0070.01014.54
7.3.50.0060.00914.59
7.3.40.0090.00614.72
7.3.30.0140.00014.45
7.3.20.0060.01016.50
7.3.10.0100.00616.59
7.3.00.0070.01116.62
7.2.330.0100.01016.59
7.2.320.0160.01016.39
7.2.310.0090.00916.79
7.2.300.0060.01016.73
7.2.290.0060.01216.35
7.2.250.0040.01614.79
7.2.240.0110.00714.99
7.2.230.0000.01214.92
7.2.220.0040.00814.84
7.2.210.0100.01014.87
7.2.200.0070.00314.80
7.2.190.0130.00315.15
7.2.180.0030.01014.90
7.2.170.0040.01114.73
7.2.00.0090.00319.47
7.1.330.0110.00415.89
7.1.320.0030.00915.65
7.1.310.0090.00615.71
7.1.300.0100.01015.89
7.1.290.0000.01115.66
7.1.280.0100.00615.48
7.1.270.0100.00615.49
7.1.260.0080.00515.43
7.1.70.0000.00817.21
7.1.60.0000.01017.19
7.1.50.0070.01717.08
7.1.00.0000.07722.33
7.0.200.0100.00616.70
7.0.140.0070.07022.16
7.0.60.0170.07019.93
7.0.50.0070.03717.80
7.0.40.0130.05020.12
7.0.30.0470.06720.13
7.0.20.0270.08320.17
7.0.10.0070.08320.13
7.0.00.0030.04020.16
5.6.280.0100.06720.98
5.6.210.0130.06720.47
5.6.200.0100.07318.16
5.6.190.0070.04020.27
5.6.180.0330.06320.65
5.6.170.0470.06320.38
5.6.160.0030.07320.33
5.6.150.0070.07018.22
5.6.140.0070.07718.21
5.6.130.0170.07318.17
5.6.120.0100.08020.97
5.6.110.0100.07720.98
5.6.100.0130.04321.10
5.6.90.0070.08720.94
5.6.80.0130.04020.30
5.6.70.4370.03320.48
5.5.350.0170.06720.40
5.5.340.0130.07317.98
5.5.330.0070.05720.14
5.5.320.0230.04320.13
5.5.310.0230.08020.29
5.5.300.0200.03717.88
5.5.290.0100.04317.98
5.5.280.0100.07720.98
5.5.270.0100.08320.83
5.5.260.0030.04020.86
5.5.250.0030.04320.54
5.5.240.0000.08020.16
5.4.450.0470.05719.27
5.4.440.0530.05319.10
5.4.430.0130.05019.26
5.4.420.0070.06019.32
5.4.410.0070.05719.39
5.4.400.1030.00018.77
5.4.390.0930.00018.74
5.4.380.0300.05018.52
5.4.370.0370.06318.56
5.4.360.1300.06018.57
5.4.350.0830.03718.72
5.4.340.1030.05718.59
5.4.320.0080.03312.45
5.4.310.0120.04012.45
5.4.300.0050.03912.46
5.4.290.0060.04012.45
5.4.280.0090.03712.35
5.4.270.0080.04012.35
5.4.260.0170.06018.78
5.4.250.0130.04718.71
5.4.240.0100.05318.88
5.4.230.0130.04718.87
5.4.220.0070.05318.84
5.4.210.0200.04318.89
5.4.200.0100.05018.75
5.4.190.0130.04718.63
5.4.180.0030.05318.88
5.4.170.0200.04318.84
5.4.160.0030.08318.72
5.4.150.0030.06318.69
5.4.140.0130.06316.27
5.4.130.0030.05316.26
5.4.120.0070.05716.27
5.4.110.0170.06716.36
5.4.100.0100.04716.26
5.4.90.0170.03716.22
5.4.80.0030.05316.19
5.4.70.0100.04716.19
5.4.60.0070.05016.41
5.4.50.0030.07016.32
5.4.40.0100.06716.45
5.4.30.0070.05016.21
5.4.20.0030.05316.17
5.4.10.0100.04716.47
5.4.00.0070.05015.88
5.3.290.0090.04512.80
5.3.280.0030.05314.48
5.3.270.0070.05314.76
5.3.260.0100.05014.31
5.3.250.0100.04714.52
5.3.240.0130.05014.61
5.3.230.0030.05714.48
5.3.220.0070.05314.45
5.3.210.0030.07714.58
5.3.200.0130.04014.42
5.3.190.0030.05314.34
5.3.180.0100.05014.40
5.3.170.0030.06014.57
5.3.160.0130.07014.57
5.3.150.0170.05014.54
5.3.140.0030.05314.53
5.3.130.0170.05014.46
5.3.120.0070.05014.43
5.3.110.0100.05014.46
5.3.100.0130.05714.05
5.3.90.0130.04714.03
5.3.80.0070.05314.02
5.3.70.0070.05314.03
5.3.60.0170.04013.83
5.3.50.0030.05313.87
5.3.40.0070.05013.94
5.3.30.0130.04713.78
5.3.20.0030.07313.71
5.3.10.0030.05013.66
5.3.00.0070.05313.55
5.2.170.0030.04711.07
5.2.160.0070.04011.14
5.2.150.0030.05311.23
5.2.140.0070.05311.23
5.2.130.0070.03711.21
5.2.120.0130.03311.03
5.2.110.0030.05311.21
5.2.100.0030.04310.99
5.2.90.0070.04711.11
5.2.80.0000.04310.85
5.2.70.0030.06011.09
5.2.60.0000.04711.16
5.2.50.0000.05011.11
5.2.40.0130.03311.00
5.2.30.0030.06010.89
5.2.20.0070.03710.97
5.2.10.0070.03710.75
5.2.00.0030.04010.70
5.1.60.0100.0479.97
5.1.50.0070.0409.96
5.1.40.0070.0379.86
5.1.30.0000.04310.41
5.1.20.0030.04710.55
5.1.10.0070.04310.15
5.1.00.0130.0279.97
5.0.50.0000.0338.78
5.0.40.0070.0238.34
5.0.30.0000.0478.41
5.0.20.0070.0308.34
5.0.10.0100.0338.25
5.0.00.0200.0338.15
4.4.90.0000.0237.44
4.4.80.0030.0207.44
4.4.70.0030.0207.42
4.4.60.0000.0237.42
4.4.50.0000.0237.42
4.4.40.0030.0337.33
4.4.30.0000.0236.88
4.4.20.0030.0306.44
4.4.10.0070.0236.44
4.4.00.0030.0476.44
4.3.110.0000.0306.44
4.3.100.0100.0206.44
4.3.90.0100.0276.44
4.3.80.0130.0336.44
4.3.70.0030.0276.44
4.3.60.0030.0206.44
4.3.50.0030.0236.44
4.3.40.0000.0336.44
4.3.30.0030.0206.44
4.3.20.0070.0176.44
4.3.10.0070.0206.44
4.3.00.0030.0238.20

preferences:
36.39 ms | 401 KiB | 5 Q