3v4l.org

run code in 300+ PHP versions simultaneously
<?php gc_enable(); class test { public $spl; public function __construct() { $this->spl = new SplPriorityQueue(); $this->spl->insert($this, 1); } } $output = ''; $i = 0; while($i < 100) { $time = microtime(1); $test = new test(); unset($test); gc_collect_cycles(); $output .= sprintf('%1$04d: ', $i) . number_format(memory_get_usage()) . " B\n"; $i++; } echo $output;

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)
7.4.00.0070.01115.10
7.3.120.0100.00314.86
7.3.110.0100.00714.98
7.3.100.0120.00314.98
7.3.90.0030.01014.62
7.3.80.0120.00015.24
7.3.70.0040.01215.02
7.3.60.0060.00614.84
7.3.50.0060.00614.87
7.3.40.0000.01414.93
7.3.30.0060.00614.74
7.3.20.0040.00716.66
7.3.10.0100.00716.45
7.3.00.0080.00016.36
7.2.250.0080.01114.93
7.2.240.0040.01514.96
7.2.230.0100.00715.27
7.2.220.0060.01215.16
7.2.210.0000.01214.96
7.2.200.0100.00315.19
7.2.190.0090.00614.94
7.2.180.0070.00715.22
7.2.170.0040.01115.18
7.2.00.0060.00619.38
7.1.330.0110.00315.84
7.1.320.0120.00615.70
7.1.310.0120.00015.95
7.1.300.0040.01415.82
7.1.290.0130.00015.65
7.1.280.0000.01615.73
7.1.270.0040.00815.67
7.1.260.0080.00815.79
7.1.70.0040.00416.89
7.1.60.0140.01019.17
7.1.50.0030.00917.02
7.1.00.0000.03722.40
7.0.200.0040.00416.93
7.0.140.0070.07322.19
7.0.100.0030.04019.93
7.0.90.0130.07020.01
7.0.80.0100.08320.00
7.0.70.0130.07720.04
7.0.60.0130.04319.92
7.0.50.0530.08720.21
7.0.40.0070.07020.09
7.0.30.0130.06720.04
7.0.20.0100.08020.15
7.0.10.0000.09019.99
7.0.00.0170.06320.10
5.6.280.0100.07021.11
5.6.250.0070.04020.59
5.6.240.0100.08020.73
5.6.230.0100.07320.69
5.6.220.0100.08020.70
5.6.210.0030.08720.66
5.6.200.0230.07021.09
5.6.190.0100.08021.13
5.6.180.0100.07721.10
5.6.170.0070.08321.24
5.6.160.0070.08321.08
5.6.150.0170.07021.19
5.6.140.0070.07721.08
5.6.130.0100.08021.13
5.6.120.0070.08321.09
5.6.110.0200.06721.05
5.6.100.0030.08720.97
5.6.90.0030.07721.21
5.6.80.0100.07320.48
5.6.70.0070.08320.39
5.6.60.0100.07320.45
5.6.50.0100.08020.36
5.6.40.0030.08020.54
5.6.30.0100.07020.52
5.6.20.0100.07320.46
5.6.10.0000.08720.52
5.6.00.0030.08320.40
5.5.380.0130.07720.44
5.5.370.0100.07720.57
5.5.360.0170.06720.59
5.5.350.0270.06020.49
5.5.340.0030.08720.98
5.5.330.0070.08320.91
5.5.320.0070.08320.97
5.5.310.0000.05720.94
5.5.300.0130.08020.78
5.5.290.0070.08720.96
5.5.280.0030.08720.82
5.5.270.0000.09020.87
5.5.260.0130.08020.86
5.5.250.0030.08720.78
5.5.240.0030.08320.30
5.5.230.0100.07020.06
5.5.220.0100.04020.20
5.5.210.0030.08320.30
5.5.200.0030.08020.32
5.5.190.0030.08720.22
5.5.180.0200.06720.16
5.5.160.0100.06720.20
5.5.150.0030.07720.20
5.5.140.0130.07720.13
5.5.130.0070.07720.19
5.5.120.0100.07720.25
5.5.110.0070.07720.29
5.5.100.0130.07020.21
5.5.90.0070.07020.20
5.5.80.0070.07320.20
5.5.70.0030.08720.11
5.5.60.0070.07720.07
5.5.50.0130.07720.20
5.5.40.0000.08720.13
5.5.30.0100.07320.05
5.5.20.0030.05720.00
5.5.10.0070.07020.09
5.5.00.0070.07320.06
5.4.450.0100.08019.44
5.4.440.0170.07319.55
5.4.430.0130.06719.53
5.4.420.0170.07719.45
5.4.410.0200.06019.11
5.4.400.0100.07319.30
5.4.390.0130.06718.98
5.4.380.0130.07019.09
5.4.370.0000.08319.11
5.4.360.0100.07019.19
5.4.350.0100.06719.05
5.4.340.0130.07019.10
5.4.320.0070.07319.04
5.4.310.0030.06719.07
5.4.300.0100.07719.18
5.4.290.0070.07019.20
5.4.280.0130.06719.23
5.4.270.0030.05019.18
5.4.260.0130.06719.16
5.4.250.0100.07719.22
5.4.240.0100.06318.89
5.4.230.0070.08319.23
5.4.220.0230.05719.00
5.4.210.0070.08019.09
5.4.200.0000.08018.91
5.4.190.0030.07019.29
5.4.180.0130.07019.11
5.4.170.0030.07718.93
5.4.160.0100.06719.20
5.4.150.0070.04319.20
5.4.140.0030.07316.47
5.4.130.0100.06316.48
5.4.120.0030.07316.46
5.4.110.0100.05316.52
5.4.100.0100.06716.57
5.4.90.0070.07316.50
5.4.80.0070.06716.45
5.4.70.0000.07316.59
5.4.60.0100.06716.30
5.4.50.0100.07316.43
5.4.40.0170.06716.32
5.4.30.0030.07316.51
5.4.20.0030.07016.43
5.4.10.0070.07316.51
5.4.00.0070.04315.91
5.3.290.0070.07714.98
5.3.280.0100.04314.84
5.3.270.0100.07014.82
5.3.260.0070.04314.93
5.3.250.0100.04314.83
5.3.240.0070.07314.91
5.3.230.0100.06714.90
5.3.220.0030.04314.89
5.3.210.0070.06714.88
5.3.200.0100.04014.81
5.3.190.0070.07314.89
5.3.180.0070.07014.79
5.3.170.0170.06314.86
5.3.160.0170.07014.88
5.3.150.0100.04014.75
5.3.140.0130.06014.84
5.3.130.0030.07714.74
5.3.120.0130.07314.84
5.3.110.0100.06714.84
5.3.100.0030.07714.35
5.3.90.0070.07314.23
5.3.80.0000.05014.33
5.3.70.0100.06714.32
5.3.60.0070.07014.25
5.3.50.0070.07014.06
5.3.40.0100.07314.20
5.3.30.0030.08014.00
5.3.20.0070.07313.81
5.3.10.0030.07313.95
5.3.00.0030.08013.93
5.2.170.0130.05311.27
5.2.160.0070.06311.20
5.2.150.0030.05711.16
5.2.140.0000.06711.23
5.2.130.0030.06311.09
5.2.120.0170.04711.16
5.2.110.0070.06011.12
5.2.100.0070.06011.02
5.2.90.0070.06011.24
5.2.80.0100.05311.23
5.2.70.0070.05711.16
5.2.60.0030.07011.02
5.2.50.0070.06011.02
5.2.40.0030.06311.02
5.2.30.0000.06311.06
5.2.20.0030.05711.09
5.2.10.0070.06011.02
5.2.00.0100.04711.02
5.1.60.0070.02711.02
5.1.50.0030.05711.02
5.1.40.0030.05011.02
5.1.30.0030.05311.02
5.1.20.0070.05011.02
5.1.10.0070.05311.02
5.1.00.0100.05011.02
5.0.50.0030.03011.02
5.0.40.0030.04711.02
5.0.30.0000.06711.02
5.0.20.0100.03011.02
5.0.10.0000.04711.02
5.0.00.0100.06011.02
4.4.90.0100.02711.02
4.4.80.0100.03011.02
4.4.70.0000.03711.02
4.4.60.0000.03311.02
4.4.50.0000.02011.02
4.4.40.0000.04011.02
4.4.30.0000.04011.02
4.4.20.0000.03711.02
4.4.10.0000.03711.02
4.4.00.0000.05311.02
4.3.110.0030.03311.02
4.3.100.0070.02311.02
4.3.90.0030.03311.02
4.3.80.0000.05311.02
4.3.70.0000.04311.02
4.3.60.0000.03311.02
4.3.50.0000.03711.02
4.3.40.0000.05011.02
4.3.30.0000.03311.02
4.3.20.0030.03711.02
4.3.10.0030.03711.02
4.3.00.0000.03311.02

preferences:
35.61 ms | 401 KiB | 5 Q