3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MemoryLeak { public function bad() { $closure = function ($this) {}; $closure([$this]); } public function good1() { $closure = function ($param) {}; $closure([$this]); } public function good2() { $closure = function ($this) {}; $closure($this); } } $object = new MemoryLeak; $usage = 0; ini_set('memory_limit', '10M'); for ($i = 0; $i < 1000000; ++$i) { $object->bad(); } echo "Done" . PHP_EOL;

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)
8.3.60.0090.01216.48
8.3.50.0120.01022.82
8.3.40.0070.01418.61
8.3.30.0100.00318.63
8.3.20.0040.00420.04
8.3.10.0030.00620.28
8.3.00.0070.00020.73
8.2.180.0110.00716.50
8.2.170.0150.00022.96
8.2.160.0100.00322.08
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00317.80
8.2.110.0000.00919.26
8.2.100.0040.00817.50
8.2.90.0040.00419.05
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0060.00617.43
8.2.50.0000.00818.09
8.2.40.0000.00720.48
8.2.30.0000.00719.23
8.2.20.0050.00317.61
8.2.10.0040.00417.92
8.2.00.0040.00417.96
8.1.280.0090.00925.92
8.1.270.0000.00823.96
8.1.260.0080.00026.35
8.1.250.0100.00728.09
8.1.240.0080.00022.14
8.1.230.0040.00817.42
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0060.00316.88
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0080.00018.58
8.1.160.0070.00020.81
8.1.150.0030.00718.79
8.1.140.0000.00819.39
8.1.130.0030.00317.57
8.1.120.0000.00817.22
8.1.110.0000.00717.24
8.1.100.0030.00317.36
8.1.90.0060.00317.29
8.1.80.0000.00717.21
8.1.70.0030.00317.34
8.1.60.0030.00517.40
8.1.50.0040.00417.30
8.1.40.0060.00317.36
8.1.30.0040.00417.40
8.1.20.0000.00817.42
8.1.10.0040.00417.39
8.1.00.0040.00417.34
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0000.00818.35
8.0.270.0030.00317.14
8.0.260.0050.00217.18
8.0.250.0000.00716.80
8.0.240.0030.00316.78
8.0.230.0000.00716.92
8.0.220.0000.01016.71
8.0.210.0070.00016.83
8.0.200.0000.00716.74
8.0.190.0000.00716.77
8.0.180.0070.00016.72
8.0.170.0000.00716.83
8.0.160.0000.00716.86
8.0.150.0050.00316.72
8.0.140.0000.00816.66
8.0.130.0030.00313.17
8.0.120.0040.00416.73
8.0.110.0070.00016.83
8.0.100.0070.00016.88
8.0.90.0040.00416.86
8.0.80.0060.01016.71
8.0.70.0040.00416.71
8.0.60.0000.00816.88
8.0.50.0040.00416.88
8.0.30.0090.00716.88
8.0.20.0120.00617.40
8.0.10.0040.00416.91
8.0.00.0130.00816.75
7.4.330.0020.00215.08
7.4.320.0000.00616.29
7.4.300.0060.00016.24
7.4.290.0030.00316.43
7.4.280.0030.00516.37
7.4.270.0070.00016.42
7.4.260.0070.00016.44
7.4.250.0030.00316.34
7.4.240.0050.00316.51
7.4.230.0030.00316.11
7.4.220.0110.01116.50
7.4.210.0100.01016.41
7.4.200.0080.00016.35
7.4.160.0100.00616.16
7.4.150.0090.00917.40
7.4.140.0090.01217.86
7.4.130.0140.00416.53
7.4.120.0120.00416.32
7.4.110.0090.00616.51
7.4.100.0070.01016.21
7.4.90.0120.00616.22
7.4.80.0120.00919.39
7.4.70.0130.00416.49
7.4.60.0150.00016.41
7.4.50.0030.01016.35
7.4.40.0060.01216.45
7.4.30.0170.00316.39
7.4.00.0070.00714.70
7.3.330.0000.00513.25
7.3.320.0000.00613.25
7.3.310.0070.00016.26
7.3.300.0040.00416.18
7.3.290.0090.00716.23
7.3.280.0070.01116.24
7.3.270.0110.00717.40
7.3.260.0090.00916.08
7.3.250.0090.00816.30
7.3.240.0080.01116.31
7.3.230.0050.01116.39
7.3.210.0090.00916.25
7.3.200.0110.01116.30
7.3.190.0090.00916.22
7.3.180.0070.01016.27
7.3.170.0080.00816.37
7.3.160.0070.01016.37
7.2.330.0060.01216.46
7.2.320.0030.01716.53
7.2.310.0160.00916.54
7.2.300.0030.01316.30
7.2.290.0100.00616.41
7.2.60.0030.01016.59
7.2.00.0040.00718.98
7.1.200.0080.00415.26
7.1.100.0030.01017.93
7.1.70.0040.00416.98
7.1.60.0000.01219.18
7.1.50.0160.00316.95
7.1.00.0000.07722.38
7.0.200.0050.00316.66
7.0.80.0070.06319.92
7.0.70.0070.08719.93
7.0.60.0170.04729.47
7.0.50.0070.09029.75
7.0.40.0130.07719.99
7.0.30.0130.08319.96
7.0.20.0030.09020.04
7.0.10.0200.07020.05
7.0.00.0130.09320.09
5.6.280.0130.52720.91
5.6.230.0000.40320.58
5.6.220.0070.44320.60
5.6.210.0030.47320.69
5.6.200.0130.44321.15
5.6.190.0170.41721.02
5.6.180.0000.40021.05
5.6.170.0100.45021.09
5.6.160.0100.41021.13
5.6.150.0030.43021.04
5.6.140.0070.39321.03
5.6.130.0070.45321.00
5.6.120.0070.49721.14
5.6.110.0100.42321.09
5.6.100.0100.51020.96
5.6.90.0030.46321.11
5.6.80.0030.37020.44
5.6.70.0030.42320.40
5.6.60.0070.44320.55
5.6.50.0070.42720.41
5.6.40.0130.46720.48
5.6.30.0070.45320.38
5.6.20.0130.45720.38
5.6.10.0070.41320.32
5.6.00.0070.39320.44
5.5.370.0100.41720.38
5.5.360.0100.46020.43
5.5.350.0070.45320.50
5.5.340.0100.45020.79
5.5.330.0100.41720.81
5.5.320.0100.48020.85
5.5.310.0100.44020.88
5.5.300.0030.43320.82
5.5.290.0000.45720.81
5.5.280.0030.39320.79
5.5.270.0030.44720.80
5.5.260.0070.49320.74
5.5.250.0030.40020.57
5.5.240.0100.44720.23
5.5.230.0030.39320.27
5.5.220.0030.45320.32
5.5.210.0070.38320.04
5.5.200.0000.45320.16
5.5.190.0030.47020.26
5.5.180.0030.46020.19
5.5.160.0070.43020.12
5.5.150.0530.45020.25
5.5.140.0100.40320.14
5.5.130.0070.44020.19
5.5.120.0070.44320.19
5.5.110.0030.35720.13
5.5.100.0000.33020.12
5.5.90.0000.35720.14
5.5.80.0070.34720.02
5.5.70.0030.38719.92
5.5.60.0000.40020.08
5.5.50.0000.31720.10
5.5.40.0030.31720.10
5.5.30.0070.37720.06
5.5.20.0000.38719.95
5.5.10.0030.34720.00
5.5.00.0000.35320.04
5.4.450.0030.39319.37
5.4.440.0170.41319.36
5.4.430.0000.48019.34
5.4.420.0130.44719.53
5.4.410.0070.44019.36
5.4.400.0030.42018.92
5.4.390.0000.43718.95
5.4.380.0770.44719.03
5.4.370.0070.44719.03
5.4.360.0100.45019.14
5.4.350.0030.35319.23
5.4.340.0100.43019.13
5.4.320.0130.49018.88
5.4.310.0130.44718.82
5.4.300.0070.40019.13
5.4.290.0000.39319.04
5.4.280.0100.40319.04
5.4.270.0100.43019.22
5.4.260.0070.44719.15
5.4.250.0030.34019.09
5.4.240.0030.39319.11
5.4.230.0000.38719.20
5.4.220.0000.35019.12
5.4.210.0030.31318.94
5.4.200.0030.42019.12
5.4.190.0230.32019.11
5.4.180.0030.32719.14
5.4.170.0100.38019.21
5.4.160.0070.32319.16
5.4.150.0000.34319.21
5.4.140.0070.46016.48
5.4.130.0030.44016.40
5.4.120.0070.43716.50
5.4.110.0130.45316.49
5.4.100.0100.34316.32
5.4.90.0130.43316.52
5.4.80.0030.41016.53
5.4.70.0030.46316.43
5.4.60.0000.38016.37
5.4.50.0100.40716.30
5.4.40.0100.42716.35
5.4.30.0100.44316.29
5.4.20.0100.43716.25
5.4.10.0070.42716.47
5.4.00.0070.38715.89
5.3.290.0030.08314.75
5.3.280.0070.03714.65
5.3.270.0100.06014.73
5.3.260.0030.07314.54
5.3.250.0100.02714.75
5.3.240.0100.07314.61
5.3.230.0130.04714.53
5.3.220.0030.05314.56
5.3.210.0070.05014.64
5.3.200.0070.08014.52
5.3.190.0000.04314.71
5.3.180.0200.05714.69
5.3.170.0070.04014.68
5.3.160.0030.07014.63
5.3.150.0000.08014.55
5.3.140.0070.08014.58
5.3.130.0170.05014.67
5.3.120.0070.07014.54
5.3.110.0070.07014.67
5.3.100.0030.04014.07
5.3.90.0070.03714.11
5.3.80.0100.03713.95
5.3.70.0030.08014.00
5.3.60.0070.07014.06
5.3.50.0030.08014.04
5.3.40.0030.08013.94
5.3.30.0100.06713.97
5.3.20.0100.04313.67
5.3.10.0100.07313.73
5.3.00.0070.04013.76
5.2.170.0030.06711.96
5.2.160.0030.06311.96
5.2.150.0070.05011.96
5.2.140.0100.06011.96
5.2.130.0070.03311.96
5.2.120.0070.06011.96
5.2.110.0030.04011.96
5.2.100.0070.06311.96
5.2.90.0030.06311.96
5.2.80.0000.05011.96
5.2.70.0070.03311.96
5.2.60.0070.05311.96
5.2.50.0030.05711.96
5.2.40.0000.06711.96
5.2.30.0030.05011.96
5.2.20.0030.06311.96
5.2.10.0000.06711.96
5.2.00.0100.05711.96
5.1.60.0070.03011.96
5.1.50.0130.04311.96
5.1.40.0100.05011.96
5.1.30.0130.03011.96
5.1.20.0170.04711.96
5.1.10.0000.05711.96
5.1.00.0030.05711.96
5.0.50.0070.04311.96
5.0.40.0030.04711.96
5.0.30.0030.04311.96
5.0.20.0030.02311.96
5.0.10.0030.04311.96
5.0.00.0030.06011.96
4.4.90.0000.04011.96
4.4.80.0030.03311.96
4.4.70.0030.03711.96
4.4.60.0030.03011.96
4.4.50.0000.02311.96
4.4.40.0000.05711.96
4.4.30.0030.02011.96
4.4.20.0000.04011.96
4.4.10.0030.03711.96
4.4.00.0000.04311.96
4.3.110.0000.03011.96
4.3.100.0030.01711.96
4.3.90.0030.03011.96
4.3.80.0070.04711.96
4.3.70.0030.03311.96
4.3.60.0030.01711.96
4.3.50.0000.01711.96
4.3.40.0030.05311.96
4.3.30.0000.03711.96
4.3.20.0030.03311.96
4.3.10.0100.02711.96
4.3.00.0070.03011.96

preferences:
58.04 ms | 401 KiB | 5 Q