3v4l.org

run code in 300+ PHP versions simultaneously
<?php $j = 1; var_dump(memory_get_usage()); $tipi = array_fill(0, 10000, 'php-internal'); var_dump(memory_get_usage()); //内存没有发生暴增, 没有复制, 只是引用 $tipi_copy = $tipi; var_dump(memory_get_usage()); //内存没有发生暴增, 没有复制, 仍然只是引用 foreach($tipi_copy as $value){ $j += count($value); } var_dump(memory_get_usage()); //内存发生暴增, 发生复制, 不在引用 $tipi_copy[0] = "php-internals-tmp"; var_dump(memory_get_usage());

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)
7.1.70.0070.00517.22
7.1.60.0030.01016.96
7.1.50.0030.00916.70
7.1.00.0100.05322.31
7.0.200.0060.00816.59
7.0.140.0070.06321.92
7.0.70.0800.06320.61
7.0.60.0730.07720.55
7.0.50.0770.08320.86
7.0.40.0100.07319.95
7.0.30.0030.05720.05
7.0.20.0070.09320.14
7.0.10.0230.07020.13
7.0.00.0000.08020.05
5.6.280.0100.07322.97
5.6.220.0030.04322.38
5.6.210.0070.04022.39
5.6.200.0030.09022.76
5.6.190.0070.08322.83
5.6.180.0000.07022.83
5.6.170.0030.09722.75
5.6.160.0070.06722.97
5.6.150.0070.06322.83
5.6.140.0100.09322.83
5.6.130.0070.06022.81
5.6.120.0000.05022.91
5.6.110.0170.08022.81
5.6.100.0070.09322.89
5.6.90.0200.08022.84
5.6.80.0030.06022.18
5.6.70.0130.08322.20
5.6.60.0070.08022.24
5.6.50.0070.08722.14
5.6.40.0130.06722.11
5.6.30.0130.08022.24
5.6.20.0100.08322.25
5.6.10.0070.08722.11
5.6.00.0000.09322.15
5.5.360.0100.03722.28
5.5.350.0130.08322.13
5.5.340.0070.09322.56
5.5.330.0130.04322.53
5.5.320.0070.09022.66
5.5.310.0070.08722.44
5.5.300.0100.08722.66
5.5.290.0100.08722.68
5.5.280.0100.08722.57
5.5.270.0130.08322.50
5.5.260.0030.05722.70
5.5.250.0030.09022.37
5.5.240.0000.04721.95
5.5.230.0130.08322.06
5.5.220.0070.05722.00
5.5.210.0100.06722.02
5.5.200.0170.04321.94
5.5.190.0100.08722.00
5.5.180.0070.08321.98
5.5.160.0100.08321.95
5.5.150.0070.06022.06
5.5.140.0070.09021.93
5.5.130.0070.09022.03
5.5.120.0130.08021.97
5.5.110.0070.07321.78
5.5.100.0170.07321.75
5.5.90.0030.09321.86
5.5.80.0170.07021.89
5.5.70.0030.06722.09
5.5.60.0070.08021.93
5.5.50.0030.05321.88
5.5.40.0200.07321.69
5.5.30.0200.06721.99
5.5.20.0070.08721.92
5.5.10.0030.05721.77
5.5.00.0130.07321.79
5.4.450.0130.08321.01
5.4.440.0000.05320.88
5.4.430.0100.08320.98
5.4.420.0130.09320.88
5.4.410.0070.08721.04
5.4.400.0030.08020.70
5.4.390.0000.04320.82
5.4.380.0070.08020.52
5.4.370.0130.07720.88
5.4.360.0070.08320.82
5.4.350.0030.07020.57
5.4.340.0130.08020.70
5.4.320.0100.08720.88
5.4.310.0100.08320.70
5.4.300.0170.07320.73
5.4.290.0070.08320.84
5.4.280.0030.06020.72
5.4.270.0070.05020.54
5.4.260.0030.06320.82
5.4.250.0130.07320.55
5.4.240.0070.07320.71
5.4.230.0130.07020.77
5.4.220.0130.04720.76
5.4.210.0030.08720.77
5.4.200.0100.08020.77
5.4.190.0100.08320.67
5.4.180.0100.07320.77
5.4.170.0070.06720.51
5.4.160.0070.08020.76
5.4.150.0100.07320.53
5.4.140.0130.04318.12
5.4.130.0030.08317.98
5.4.120.0100.08017.88
5.4.110.0100.07318.02
5.4.100.0070.05017.98
5.4.90.0200.07018.04
5.4.80.0030.07318.08
5.4.70.0070.04017.96
5.4.60.0170.07018.11
5.4.50.0100.08017.92
5.4.40.0030.05318.07
5.4.30.0070.07017.97
5.4.20.0130.07018.18
5.4.10.0100.07718.25
5.4.00.0100.07317.44
5.3.290.0100.08016.13
5.3.280.0070.06016.08
5.3.270.0030.08716.13
5.3.260.0100.07716.08
5.3.250.0100.06716.25
5.3.240.0030.04716.17
5.3.230.0070.08716.09
5.3.220.0100.07316.04
5.3.210.0030.07716.13
5.3.200.0130.05316.14
5.3.190.0100.07316.11
5.3.180.0130.07716.20
5.3.170.0130.05716.14
5.3.160.0030.08316.10
5.3.150.0070.07016.48
5.3.140.0030.07315.99
5.3.130.0100.07716.19
5.3.120.0130.08016.16
5.3.110.0030.07016.09
5.3.100.0000.06015.63
5.3.90.0200.06315.63
5.3.80.0100.06015.61
5.3.70.0100.07715.50
5.3.60.0030.04715.58
5.3.50.0070.04015.42
5.3.40.0100.05715.41
5.3.30.0030.06715.39
5.3.20.0100.08015.25
5.3.10.0000.08715.23
5.3.00.0030.07315.21
5.2.170.0100.06312.53
5.2.160.0030.05312.56
5.2.150.0130.05013.12
5.2.140.0030.04012.68
5.2.130.0070.05712.61
5.2.120.0030.07012.64
5.2.110.0030.05312.64
5.2.100.0070.06712.72
5.2.90.0030.06012.51
5.2.80.0000.03712.54
5.2.70.0030.06312.64
5.2.60.0100.06712.55
5.2.50.0070.05712.43
5.2.40.0100.06712.47
5.2.30.0100.06712.31
5.2.20.0000.05712.47
5.2.10.0130.05712.52
5.2.00.0070.05310.93
5.1.60.0030.05310.93
5.1.50.0000.04010.93
5.1.40.0030.05310.93
5.1.30.0030.04710.93
5.1.20.0030.06010.93
5.1.10.0030.05710.93
5.1.00.0100.05010.93
5.0.50.0130.03310.93
5.0.40.0070.04310.93
5.0.30.0100.06310.93
5.0.20.0070.04010.93
5.0.10.0000.03010.93
5.0.00.0030.05310.93
4.4.90.0030.03010.93
4.4.80.0100.02310.93
4.4.70.0030.03710.93
4.4.60.0170.02310.93
4.4.50.0100.03010.93
4.4.40.0000.04710.93
4.4.30.0000.04010.93
4.4.20.0000.02710.93
4.4.10.0000.03710.93
4.4.00.0000.05710.93
4.3.110.0030.03710.93
4.3.100.0000.03310.93
4.3.90.0030.02310.93
4.3.80.0030.05710.93
4.3.70.0030.03010.93
4.3.60.0000.03710.93
4.3.50.0030.02710.93
4.3.40.0030.04710.93
4.3.30.0000.04010.93
4.3.20.0000.04010.93
4.3.10.0030.02710.93
4.3.00.0070.03310.93

preferences:
36.1 ms | 400 KiB | 5 Q