3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(-1); class C implements Countable { function count() { return 10; } } $c = new C; echo '<pre>'; echo 'standard: ', count($c), "\n"; echo '"recursive": ', count(array($c), COUNT_RECURSIVE), "\n"; echo '"recursive": ', count(array(new stdClass()), COUNT_RECURSIVE), "\n"; echo '</pre>';

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)
8.3.40.0120.00318.82
8.3.30.0120.00919.22
8.3.20.0070.00020.07
8.3.10.0070.00721.92
8.3.00.0110.00722.31
8.2.170.0160.00322.96
8.2.160.0030.01421.02
8.2.150.0000.00924.18
8.2.140.0040.00424.66
8.2.130.0030.01426.16
8.2.120.0050.00319.61
8.2.110.0060.00322.25
8.2.100.0090.00319.57
8.2.90.0040.00419.22
8.2.80.0080.00017.97
8.2.70.0000.00817.50
8.2.60.0060.00318.03
8.2.50.0060.00318.07
8.2.40.0080.00018.05
8.2.30.0040.00418.13
8.2.20.0040.00417.68
8.2.10.0040.00417.58
8.2.00.0040.00417.80
8.1.270.0060.00322.17
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00423.82
8.1.230.0070.00419.23
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0040.00417.47
8.1.190.0000.00817.52
8.1.180.0000.00818.47
8.1.170.0030.00618.57
8.1.160.0000.00722.03
8.1.150.0000.00718.65
8.1.140.0000.00717.40
8.1.130.0000.00717.68
8.1.120.0000.00717.47
8.1.110.0050.00317.36
8.1.100.0000.00717.29
8.1.90.0070.00017.38
8.1.80.0040.00417.39
8.1.70.0000.00717.43
8.1.60.0050.00217.61
8.1.50.0060.00317.48
8.1.40.0040.00417.42
8.1.30.0000.00817.50
8.1.20.0000.00817.56
8.1.10.0040.00417.57
8.1.00.0000.00717.47
8.0.300.0030.00618.77
8.0.290.0050.00317.18
8.0.280.0050.00218.40
8.0.270.0080.00017.20
8.0.260.0000.00616.83
8.0.250.0070.00016.97
8.0.240.0070.00016.96
8.0.230.0000.00816.99
8.0.220.0000.00716.93
8.0.210.0000.00816.82
8.0.200.0040.00416.96
8.0.190.0100.00016.87
8.0.180.0070.00016.94
8.0.170.0000.00716.75
8.0.160.0040.00416.86
8.0.150.0080.00016.89
8.0.140.0040.00416.86
8.0.130.0000.00613.27
8.0.120.0040.00416.91
8.0.110.0090.00016.86
8.0.100.0000.00716.93
8.0.90.0030.00516.80
8.0.80.0130.00716.97
8.0.70.0000.00716.98
8.0.60.0000.00816.93
8.0.50.0070.00016.97
8.0.30.0100.01317.16
8.0.20.0120.01117.40
8.0.10.0070.00016.91
8.0.00.0110.01016.76
7.4.330.0000.00515.20
7.4.320.0040.00416.42
7.4.300.0060.00016.52
7.4.290.0000.00716.52
7.4.280.0030.00316.46
7.4.270.0030.00316.50
7.4.260.0000.00716.61
7.4.250.0040.00416.56
7.4.240.0050.00216.61
7.4.230.0030.00316.59
7.4.220.0040.01316.65
7.4.210.0070.00916.47
7.4.200.0000.00816.72
7.4.190.0040.00416.58
7.4.160.0080.00816.67
7.4.150.0140.00417.40
7.4.140.0140.00717.86
7.4.130.0100.00716.54
7.4.120.0080.01316.53
7.4.110.0090.00916.48
7.4.100.0060.01116.60
7.4.90.0100.00916.59
7.4.80.0030.01319.39
7.4.70.0030.01316.59
7.4.60.0080.00816.39
7.4.50.0020.00216.66
7.4.40.0070.01122.77
7.4.30.0090.00616.53
7.4.00.0030.01214.85
7.3.330.0000.00613.32
7.3.320.0000.00513.30
7.3.310.0040.00416.29
7.3.300.0040.00416.17
7.3.290.0030.01316.27
7.3.280.0090.00716.29
7.3.270.0030.01317.40
7.3.260.0090.01216.31
7.3.250.0070.01216.47
7.3.240.0090.01316.36
7.3.230.0130.01016.41
7.3.210.0070.01416.48
7.3.200.0080.00819.39
7.3.190.0150.00316.55
7.3.180.0070.01016.50
7.3.170.0090.01316.46
7.3.160.0150.00916.45
7.3.120.0070.01014.78
7.2.330.0100.00716.61
7.2.320.0030.01316.63
7.2.310.0120.00616.71
7.2.300.0030.01316.56
7.2.290.0060.01016.66
7.2.60.0000.00917.00
7.1.200.0090.00315.66
7.1.70.0000.00817.13
7.1.60.0070.01719.82
7.1.50.0160.00616.93
7.1.00.0030.07722.24
7.0.200.0050.00316.59
7.0.140.0070.07022.12
7.0.100.0070.08019.96
7.0.90.0130.07019.87
7.0.80.0130.06719.91
7.0.70.0100.07319.86
7.0.60.0070.06719.98
7.0.50.0600.05720.34
7.0.40.0000.05720.11
7.0.30.0200.07020.06
7.0.20.0130.06720.04
7.0.10.0100.08320.04
7.0.00.0130.06320.10
5.6.280.0030.07321.11
5.6.250.0030.07720.60
5.6.240.0170.07320.68
5.6.230.0070.08320.69
5.6.220.0130.04720.66
5.6.210.0130.07320.47
5.6.200.0030.07721.15
5.6.190.0070.08321.09
5.6.180.0100.08021.04
5.6.170.0100.07321.02
5.6.160.0100.08021.07
5.6.150.0100.07720.96
5.6.140.0030.07021.17
5.6.130.0070.08021.05
5.6.120.0070.07321.11
5.6.110.0070.08021.17
5.6.100.0200.07321.12
5.6.90.0030.05720.99
5.6.80.0130.07020.49
5.6.70.0000.08020.40
5.6.60.0070.04320.51
5.6.50.0100.08020.44
5.6.40.0100.07720.30
5.6.30.0100.07720.45
5.6.20.0170.05720.44
5.6.10.0000.06320.39
5.6.00.0130.07720.38
5.5.380.0100.07020.35
5.5.370.0070.08320.55
5.5.360.0030.08720.45
5.5.350.0030.08320.35
5.5.340.0130.07720.93
5.5.330.0070.08720.65
5.5.320.0070.08020.87
5.5.310.0100.07320.64
5.5.300.0030.05320.74
5.5.290.0070.05320.81
5.5.280.0130.07720.89
5.5.270.0100.08320.85
5.5.260.0100.08020.87
5.5.250.0030.07320.43
5.5.240.0030.08320.13
5.5.230.0070.08019.98
5.5.220.0100.07320.28
5.5.210.0070.06720.18
5.5.200.0000.08320.25
5.5.190.0070.05320.23
5.5.180.0100.07720.27
5.5.160.0070.08320.24
5.5.150.0170.06020.15
5.5.140.0130.07320.18
5.5.130.0030.04720.11
5.5.120.0100.06320.24
5.5.110.0130.06320.28
5.5.100.0030.08020.17
5.5.90.0070.07720.08
5.5.80.0030.08020.05
5.5.70.0070.04720.00
5.5.60.0070.07319.93
5.5.50.0100.06720.09
5.5.40.0100.03320.14
5.5.30.0100.08020.05
5.5.20.0030.08719.95
5.5.10.0070.07720.05
5.5.00.0100.07320.04
5.4.450.0170.07019.28
5.4.440.0130.07719.49
5.4.430.0030.08019.20
5.4.420.0030.05019.50
5.4.410.0130.07019.36
5.4.400.0100.06719.00
5.4.390.0070.05019.10
5.4.380.0000.08319.04
5.4.370.0100.07719.04
5.4.360.0030.07318.95
5.4.350.0070.08019.13
5.4.340.0100.07318.88
5.4.320.0100.08019.04
5.4.310.0100.04019.13
5.4.300.0030.07719.18
5.4.290.0030.06319.13
5.4.280.0070.07319.16
5.4.270.0100.07019.13
5.4.260.0070.07719.12
5.4.250.0070.07719.03
5.4.240.0070.07718.88
5.4.230.0070.07019.23
5.4.220.0030.07718.89
5.4.210.0170.06318.89
5.4.200.0130.06719.12
5.4.190.0170.07019.11
5.4.180.0100.07719.02
5.4.170.0070.07319.22
5.4.160.0030.08019.02
5.4.150.0170.06319.16
5.4.140.0070.07316.46
5.4.130.0000.07716.33
5.4.120.0100.06316.42
5.4.110.0030.04716.28
5.4.100.0070.07316.27
5.4.90.0130.06316.43
5.4.80.0070.07316.32
5.4.70.0170.06016.34
5.4.60.0070.06716.30
5.4.50.0000.08016.32
5.4.40.0030.07716.43
5.4.30.0030.07316.37
5.4.20.0000.08016.39
5.4.10.0170.04316.40
5.4.00.0030.07315.83
5.3.290.0030.05714.59
5.3.280.0130.07014.66
5.3.270.0030.04314.66
5.3.260.0070.07014.62
5.3.250.0100.07014.74
5.3.240.0100.04314.70
5.3.230.0000.08314.73
5.3.220.0030.07314.68
5.3.210.0000.04714.66
5.3.200.0100.05014.52
5.3.190.0130.07314.49
5.3.180.0200.06314.62
5.3.170.0030.07714.57
5.3.160.0000.08314.61
5.3.150.0030.07314.49
5.3.140.0030.08014.54
5.3.130.0000.08314.66
5.3.120.0030.08314.53
5.3.110.0070.07714.53
5.3.100.0070.07314.09
5.3.90.0130.06314.00
5.3.80.0070.07013.95
5.3.70.0030.06014.11
5.3.60.0030.07713.98
5.3.50.0070.04014.03
5.3.40.0030.07714.01
5.3.30.0070.07013.91
5.3.20.0030.07013.67
5.3.10.0070.05713.58
5.3.00.0070.07013.73
5.2.170.0130.05011.05
5.2.160.0000.05711.05
5.2.150.0000.03011.28
5.2.140.0070.06011.23
5.2.130.0070.06711.02
5.2.120.0000.06311.21
5.2.110.0070.06011.21
5.2.100.0030.05311.14
5.2.90.0000.06711.01
5.2.80.0000.04711.13
5.2.70.0030.03311.23
5.2.60.0030.06710.96
5.2.50.0030.06011.03
5.2.40.0070.05710.92
5.2.30.0000.04710.96
5.2.20.0070.03311.02
5.2.10.0000.06310.98
5.2.00.0030.06010.80
5.1.60.0000.04710.07
5.1.50.0070.05010.06
5.1.40.0000.02710.06
5.1.30.0030.05710.40
5.1.20.0130.04710.45
5.1.10.0070.04710.18
5.1.00.0030.04310.06
5.0.50.0000.0308.66
5.0.40.0070.0278.66
5.0.30.0100.0578.66
5.0.20.0000.0438.66
5.0.10.0030.0338.66
5.0.00.0070.0608.66
4.4.90.0030.0338.66
4.4.80.0030.0338.66
4.4.70.0000.0338.66
4.4.60.0030.0338.66
4.4.50.0030.0378.66
4.4.40.0000.0538.66
4.4.30.0030.0178.66
4.4.20.0000.0378.66
4.4.10.0070.0308.66
4.4.00.0030.0538.66
4.3.110.0100.0178.66
4.3.100.0030.0208.66
4.3.90.0030.0338.66
4.3.80.0030.0278.66
4.3.70.0030.0338.66
4.3.60.0000.0378.66
4.3.50.0170.0178.66
4.3.40.0030.0378.66
4.3.30.0030.0338.66
4.3.20.0000.0378.66
4.3.10.0030.0338.66
4.3.00.0000.0378.66

preferences:
40.05 ms | 400 KiB | 5 Q