3v4l.org

run code in 300+ PHP versions simultaneously
<?php gc_disable(); class x { private $value; private $y; public function __construct($value) { $this->value = $value; $this->y = new y(); } } class y { } $array = array(); $objects = array(); for($i = 0; $i < 50000; $i++) { $value = md5('Hallo'); $objects[] = new x($value); $array[] = $value; } var_dump(number_format(memory_get_usage(), 0, ',', '.')) . "\n"; var_dump(number_format(memory_get_usage(true), 0,',','.')) . "\n"; unset($array); unset($objects); unset($value); var_dump(number_format(memory_get_usage(), 0, ',', '.')) . "\n"; var_dump(number_format(memory_get_usage(true), 0,',','.')) . "\n"; $array = array(); $objects = array(); for($i = 0; $i < 50000; $i++) { $value = md5('Hallo'); $objects[] = new x($value); $array[] = $value; } var_dump(number_format(memory_get_usage(), 0, ',', '.')) . "\n"; var_dump(number_format(memory_get_usage(true), 0,',','.')) . "\n"; unset($array); unset($objects); unset($value); var_dump(number_format(memory_get_usage(), 0, ',', '.')) . "\n"; var_dump(number_format(memory_get_usage(true), 0,',','.'));

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)
7.3.10.0450.05432.63
7.3.00.0590.04832.53
7.2.130.0470.06132.89
7.2.120.0610.05832.29
7.2.110.0620.06232.79
7.2.100.0720.06233.04
7.2.90.0590.07732.99
7.2.80.0890.05732.73
7.2.70.1010.06932.63
7.2.60.0740.05532.80
7.2.50.0990.06032.60
7.2.40.0550.06732.77
7.2.30.0580.07432.69
7.2.20.0800.06032.82
7.2.10.0720.06732.79
7.2.00.0560.05934.30
7.1.250.0600.08131.21
7.1.70.0030.06033.26
7.1.60.0130.08733.68
7.1.50.0100.04833.08
7.1.00.0000.14338.45
7.0.200.0030.05632.82
7.0.140.0070.13338.05
7.0.100.1070.10734.30
7.0.90.3170.11734.31
7.0.80.2500.10334.26
7.0.70.2500.12734.29
7.0.60.2670.11734.45
7.0.50.2770.12034.71
7.0.40.0730.10323.43
7.0.30.0930.10723.45
7.0.20.0930.13723.38
7.0.10.1000.14023.48
7.0.00.1100.08323.39
5.6.280.0170.21352.95
5.6.250.0200.17752.27
5.6.240.0370.18352.30
5.6.230.0230.20752.29
5.6.220.0100.18752.31
5.6.210.0470.18752.25
5.6.200.0300.18352.77
5.6.190.0300.19352.78
5.6.180.0300.19352.73
5.6.170.0170.20352.64
5.6.160.0300.19352.69
5.6.150.0430.24352.69
5.6.140.0370.17752.83
5.6.130.0170.18752.58
5.6.120.0270.19052.57
5.6.110.0370.19352.63
5.6.100.0400.16752.74
5.6.90.0300.18752.64
5.6.80.0300.16052.00
5.6.70.0270.19052.05
5.6.60.0330.16352.00
5.6.50.0230.18052.00
5.6.40.0270.20752.16
5.6.30.0230.20752.10
5.6.20.0430.18752.15
5.6.10.0170.17752.08
5.6.00.0230.19752.15
5.5.380.0230.18752.08
5.5.370.0100.22752.02
5.5.360.0270.21052.22
5.5.350.0200.23052.09
5.5.340.0230.18352.39
5.5.330.0100.20752.58
5.5.320.0270.21352.54
5.5.310.0200.19352.47
5.5.300.0200.21052.57
5.5.290.0300.18052.43
5.5.280.0230.18352.54
5.5.270.0230.20052.57
5.5.260.0170.19052.45
5.5.250.0230.20052.41
5.5.240.0230.14751.68
5.5.230.0130.20051.83
5.5.220.0330.19051.87
5.5.210.0270.16751.93
5.5.200.0170.19051.79
5.5.190.0230.19351.74
5.5.180.0370.18051.84
5.5.160.0330.21051.89
5.5.150.0200.22051.83
5.5.140.0270.18751.86
5.5.130.0130.19051.80
5.5.120.0270.14351.79
5.5.110.0300.19351.92
5.5.100.0400.18751.73
5.5.90.0130.21351.74
5.5.80.0330.18051.75
5.5.70.0230.20051.75
5.5.60.0200.19751.76
5.5.50.0470.17351.60
5.5.40.0100.17351.69
5.5.30.0300.19051.81
5.5.20.0100.21751.77
5.5.10.0230.19051.78
5.5.00.0300.20351.68
5.4.450.0200.19351.02
5.4.440.0170.18050.82
5.4.430.0230.19350.77
5.4.420.0270.18350.93
5.4.410.0370.13750.74
5.4.400.0130.19350.52
5.4.390.0270.17750.59
5.4.380.0270.18750.50
5.4.370.0130.20050.55
5.4.360.0500.17050.62
5.4.350.0430.17050.50
5.4.340.0130.20750.48
5.4.320.0330.18050.49
5.4.310.0230.20050.63
5.4.300.0370.12350.43
5.4.290.0270.18350.63
5.4.280.0330.17350.70
5.4.270.0370.16350.66
5.4.260.0300.17750.70
5.4.250.0200.18750.80
5.4.240.0170.15750.62
5.4.230.0400.18050.48
5.4.220.0230.19050.47
5.4.210.0230.17350.77
5.4.200.0300.19050.48
5.4.190.0170.21350.62
5.4.180.0270.19350.77
5.4.170.0170.21750.65
5.4.160.0230.13750.79
5.4.150.0270.19050.63
5.4.140.0330.22047.98
5.4.130.0170.17048.07
5.4.120.0230.14347.93
5.4.110.0300.18747.93
5.4.100.0300.19747.95
5.4.90.0230.18347.95
5.4.80.0070.17747.93
5.4.70.0200.16348.09
5.4.60.0130.15348.01
5.4.50.0100.16348.06
5.4.40.0200.19047.90
5.4.30.0170.18347.94
5.4.20.0130.20048.04
5.4.10.0200.17747.91
5.4.00.0100.15747.35
5.3.290.0300.20769.64
5.3.280.0200.25769.71
5.3.270.0330.24769.60
5.3.260.0330.23770.13
5.3.250.0200.29069.58
5.3.240.0230.25769.60
5.3.230.0230.20769.61
5.3.220.0330.23069.56
5.3.210.0200.27369.66
5.3.200.0170.26069.54
5.3.190.0030.27069.56
5.3.180.0270.23369.68
5.3.170.0200.22769.56
5.3.160.0200.24769.63
5.3.150.0230.21769.53
5.3.140.0300.23769.66
5.3.130.0230.22369.50
5.3.120.0330.22069.53
5.3.110.0170.22769.55
5.3.100.0300.25068.99
5.3.90.0170.24768.96
5.3.80.0330.24069.04
5.3.70.0330.24068.96
5.3.60.0430.17068.91
5.3.50.0300.24368.85
5.3.40.0230.20368.92
5.3.30.0200.21768.89
5.3.20.0330.21368.56
5.3.10.0270.24368.48
5.3.00.0170.23068.51
5.2.170.0000.06713.24
5.2.160.0070.06013.24
5.2.150.0030.06013.24
5.2.140.0000.06713.24
5.2.130.0030.03013.24
5.2.120.0030.06013.24
5.2.110.0030.05313.24
5.2.100.0000.03713.24
5.2.90.0000.06313.24
5.2.80.0030.03313.24
5.2.70.0070.06313.24
5.2.60.0030.06013.24
5.2.50.0070.05013.24
5.2.40.0130.04313.24
5.2.30.0030.06313.24
5.2.20.0030.06013.24
5.2.10.0030.06313.24
5.2.00.0030.04313.24
5.1.60.0100.02313.24
5.1.50.0100.04713.24
5.1.40.0030.06013.24
5.1.30.0030.03313.24
5.1.20.0030.05713.24
5.1.10.0070.05313.24
5.1.00.0000.06013.24
5.0.50.0070.04313.24
5.0.40.0030.04313.24
5.0.30.0030.04713.24
5.0.20.0000.04713.24
5.0.10.0030.02313.24
5.0.00.0030.03013.24
4.4.90.0100.02713.24
4.4.80.0030.03313.24
4.4.70.0000.03013.24
4.4.60.0030.03713.24
4.4.50.0070.02713.24
4.4.40.0070.05013.24
4.4.30.0000.03313.24
4.4.20.0070.03313.24
4.4.10.0000.02013.24
4.4.00.0030.05313.24
4.3.110.0070.03313.24
4.3.100.0030.01713.24
4.3.90.0000.03713.24
4.3.80.0000.05713.24
4.3.70.0000.03713.24
4.3.60.0070.02013.24
4.3.50.0030.03313.24
4.3.40.0070.04713.24
4.3.30.0000.03713.24
4.3.20.0000.03313.24
4.3.10.0000.04013.24
4.3.00.0030.03313.24

preferences:
32.66 ms | 400 KiB | 5 Q