3v4l.org

run code in 300+ PHP versions simultaneously
<?php gc_enable(); 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)
7.3.10.0500.05632.69
7.3.00.0540.05932.70
7.2.130.0590.06932.67
7.2.120.0400.06232.70
7.2.110.0430.07332.92
7.2.100.0600.05932.76
7.2.90.0530.06332.83
7.2.80.0580.06333.05
7.2.70.0500.06833.06
7.2.60.0530.07032.92
7.2.50.0590.05832.99
7.2.40.0510.06932.88
7.2.30.0370.07133.00
7.2.20.0490.06333.00
7.2.10.0510.06232.98
7.2.00.0270.06733.60
7.1.250.0540.09231.84
7.1.70.0000.06133.38
7.1.60.0100.09433.35
7.1.50.0130.08733.11
7.1.00.0030.15038.48
7.0.200.0000.06732.83
7.0.140.0030.14338.05
7.0.60.0100.15334.40
7.0.50.0130.08732.17
7.0.40.0130.10723.20
7.0.30.0230.09023.21
7.0.20.0230.09723.04
7.0.10.0000.10023.13
7.0.00.0130.13323.32
5.6.280.0170.23054.31
5.6.210.0130.19752.52
5.6.200.0700.17749.80
5.6.190.0170.22352.16
5.6.180.0470.22052.13
5.6.170.0500.17352.06
5.6.160.0130.16751.98
5.6.150.0430.20049.78
5.6.140.0100.23349.80
5.6.130.0200.20349.76
5.6.120.0200.22052.63
5.6.110.0270.17752.65
5.6.100.0270.21052.75
5.6.90.0230.16052.64
5.6.80.0370.20352.04
5.6.70.3470.17352.16
5.5.350.0570.20351.97
5.5.340.0200.22049.60
5.5.330.0200.20051.81
5.5.320.0400.17051.79
5.5.310.0430.14751.86
5.5.300.0270.22049.70
5.5.290.0270.18749.68
5.5.280.0370.21352.54
5.5.270.0130.18752.34
5.5.260.0230.17352.46
5.5.250.0270.19752.16
5.5.240.0300.13351.84
5.4.450.0530.18351.24
5.4.440.0430.14751.05
5.4.430.0500.19351.23
5.4.420.0370.21351.25
5.4.410.0300.19750.87
5.4.400.0430.18750.84
5.4.390.0400.20350.68
5.4.380.0530.19350.71
5.4.370.0270.18050.51
5.4.360.0330.21350.65
5.4.350.0430.18750.79
5.4.340.0430.20050.59
5.4.320.0330.17350.68
5.4.310.0400.21750.91
5.4.300.0400.20050.64
5.4.290.0430.18750.48
5.4.280.0300.21050.45
5.4.270.0570.21050.77
5.4.260.0330.21050.68
5.4.250.0300.16750.81
5.4.240.0270.18750.45
5.4.230.0400.21350.65
5.4.220.0370.17050.65
5.4.210.0330.18350.58
5.4.200.0370.21050.54
5.4.190.0270.16350.68
5.4.180.0430.24050.66
5.4.170.0370.21050.66
5.4.160.0330.14350.57
5.4.150.0330.23050.81
5.4.140.0230.17347.95
5.4.130.0270.18748.30
5.4.120.0370.15047.98
5.4.110.0430.21048.09
5.4.100.0430.20047.83
5.4.90.0230.21748.07
5.4.80.0370.22348.19
5.4.70.0330.17347.92
5.4.60.0370.21348.21
5.4.50.0400.16348.06
5.4.40.0300.15347.80
5.4.30.0330.17748.05
5.4.20.0370.16748.00
5.4.10.0330.16348.06
5.4.00.0370.16047.44
5.3.290.0470.23069.62
5.3.280.0400.27369.67
5.3.270.0370.23769.61
5.3.260.0330.26769.66
5.3.250.0370.27369.55
5.3.240.0500.26069.66
5.3.230.0370.23069.56
5.3.220.0530.26069.63
5.3.210.0530.26069.66
5.3.200.0430.22069.54
5.3.190.0470.26369.63
5.3.180.0430.22069.51
5.3.170.0730.26069.51
5.3.160.0300.28769.63
5.3.150.0330.24369.52
5.3.140.0370.24369.64
5.3.130.0430.28069.55
5.3.120.0430.24369.57
5.3.110.0400.23069.51
5.3.100.0430.22069.02
5.3.90.0530.24369.55
5.3.80.0470.29368.96
5.3.70.0230.26368.91
5.3.60.0130.24768.98
5.3.50.0470.21768.75
5.3.40.0370.23768.77
5.3.30.0270.24068.89
5.3.20.0270.23768.51
5.3.10.0470.19768.60
5.3.00.0530.22368.44
5.2.170.0100.04711.93
5.2.160.0230.05711.93
5.2.150.0100.03711.93
5.2.140.0130.02711.93
5.2.130.0100.03711.93
5.2.120.0130.03011.93
5.2.110.0070.03311.93
5.2.100.0100.03011.93
5.2.90.0100.03011.93
5.2.80.0030.03711.93
5.2.70.0070.03711.93
5.2.60.0070.03711.93
5.2.50.0130.03011.93
5.2.40.0130.02311.93
5.2.30.0200.01711.93
5.2.20.0100.02711.93
5.2.10.0130.02311.93
5.2.00.0100.03011.93
5.1.60.0070.02311.93
5.1.50.0130.02011.93
5.1.40.0130.02011.93
5.1.30.0130.02011.93
5.1.20.0070.02711.93
5.1.10.0070.02711.93
5.1.00.0130.02011.93
5.0.50.0030.02011.93
5.0.40.0030.02011.93
5.0.30.0070.03311.93
5.0.20.0000.02311.93
5.0.10.0070.02311.93
5.0.00.0070.03011.93
4.4.90.0030.01311.93
4.4.80.0000.01711.93
4.4.70.0070.01711.93
4.4.60.0070.01311.93
4.4.50.0030.01711.93
4.4.40.0000.02711.93
4.4.30.0030.01711.93
4.4.20.0070.01311.93
4.4.10.0070.01311.93
4.4.00.0070.02311.93
4.3.110.0100.01011.93
4.3.100.0070.01311.93
4.3.90.0030.01711.93
4.3.80.0070.02311.93
4.3.70.0070.01011.93
4.3.60.0030.01711.93
4.3.50.0030.01711.93
4.3.40.0030.02311.93
4.3.30.0000.01711.93
4.3.20.0000.01711.93
4.3.10.0070.01011.93
4.3.00.0000.01711.93

preferences:
38.86 ms | 401 KiB | 5 Q