3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ConfigManager { var $config = array(); function ConfigManager() { echo "Created\n"; } function load() { $this->config = array('foo' => 'bar'); } function get($key) { return isset($this->config[$key]) ? $this->config[$key] : null; } function set($key, $value) { $this->config[$key] = $value; } } function &config_get_manager() { static $configManager; if (!isset($configManager)) { $configManager = &new ConfigManager; $configManager->load(); } return $configManager; } function config_get($key) { static $configManager; if (!isset($configManager)) { $configManager = &config_get_manager(); } return $configManager->get($key); } function config_set($key, $value) { static $configManager; if (!isset($configManager)) { $configManager = &config_get_manager(); } $configManager->set($key, $value); } echo config_get('foo') . "\n"; config_set('foo', 'baz'); echo config_get('foo') . "\n";

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)
5.6.280.0130.06321.00
5.6.250.0000.05320.59
5.6.240.0070.08020.56
5.6.230.0170.07020.71
5.6.220.0100.08020.66
5.6.210.0100.08320.58
5.6.200.0030.08720.91
5.6.190.0070.07321.00
5.6.180.0200.04020.97
5.6.170.0170.07320.99
5.6.160.0000.08021.06
5.6.150.0170.07320.91
5.6.140.0070.04720.89
5.6.130.0200.07721.03
5.6.120.0130.06020.97
5.6.110.0030.05021.09
5.6.100.0100.05320.91
5.6.90.0070.07020.90
5.6.80.0130.04020.43
5.6.70.0170.06020.39
5.6.60.0070.07320.50
5.6.50.0100.08020.28
5.6.40.0200.05720.24
5.6.30.0100.06020.31
5.6.20.0070.06020.45
5.6.10.0130.04020.32
5.6.00.0100.05020.32
5.5.380.0130.05720.32
5.5.370.0070.04720.31
5.5.360.0070.08320.37
5.5.350.0070.08320.30
5.5.340.0070.08020.86
5.5.330.0130.04320.82
5.5.320.0070.08320.75
5.5.310.0130.06320.79
5.5.300.0170.07020.79
5.5.290.0070.07720.84
5.5.280.0030.08320.88
5.5.270.0130.07020.60
5.5.260.0070.08720.81
5.5.250.0170.07320.55
5.5.240.0030.08020.12
5.5.230.0070.04719.98
5.5.220.0130.07320.23
5.5.210.0130.06020.14
5.5.200.0070.08020.09
5.5.190.0170.03020.20
5.5.180.0200.05720.09
5.5.160.0000.07720.18
5.5.150.0130.07720.24
5.5.140.0030.07020.21
5.5.130.0130.06720.18
5.5.120.0100.08020.14
5.5.110.0070.05320.19
5.5.100.0170.07020.14
5.5.90.0130.07319.91
5.5.80.0130.07720.01
5.5.70.0100.05320.12
5.5.60.0100.06720.02
5.5.50.0170.06720.02
5.5.40.0070.05320.05
5.5.30.0130.06720.12
5.5.20.0030.09020.02
5.5.10.0070.07320.00
5.5.00.0100.04019.98
5.4.450.0070.08019.18
5.4.440.0000.05319.56
5.4.430.0130.05319.45
5.4.420.0130.06019.36
5.4.410.0030.08319.22
5.4.400.0230.06018.88
5.4.390.0070.07719.16
5.4.380.0000.08019.03
5.4.370.0130.03018.88
5.4.360.0030.07319.18
5.4.350.0170.03319.11
5.4.340.0130.04019.25
5.4.320.0170.06319.05
5.4.310.0070.06018.88
5.4.300.0100.04019.21
5.4.290.0070.07719.18
5.4.280.0100.07019.03
5.4.270.0100.05319.09
5.4.260.0070.04019.20
5.4.250.0100.04719.02
5.4.240.0100.05719.05
5.4.230.0030.07019.25
5.4.220.0200.06319.15
5.4.210.0070.07719.22
5.4.200.0100.04019.22
5.4.190.0030.08718.89
5.4.180.0100.04019.13
5.4.170.0070.07719.11
5.4.160.0100.07019.19
5.4.150.0030.05019.16
5.4.140.0070.07316.50
5.4.130.0070.04316.41
5.4.120.0100.04316.46
5.4.110.0070.07016.39
5.4.100.0130.03316.48
5.4.90.0070.07016.41
5.4.80.0030.04016.40
5.4.70.0030.05016.37
5.4.60.0000.07016.52
5.4.50.0100.07016.26
5.4.40.0130.06716.52
5.4.30.0100.06716.45
5.4.20.0100.03316.42
5.4.10.0070.04716.41
5.4.00.0030.03715.73
5.3.290.0000.08014.70
5.3.280.0100.06014.59
5.3.270.0000.06314.76
5.3.260.0070.05714.73
5.3.250.0030.07314.61
5.3.240.0070.07714.67
5.3.230.0130.07714.70
5.3.220.0030.04014.68
5.3.210.0030.08014.64
5.3.200.0100.06714.60
5.3.190.0070.05314.61
5.3.180.0100.06714.68
5.3.170.0030.04314.50
5.3.160.0130.06714.50
5.3.150.0170.07014.52
5.3.140.0130.07014.52
5.3.130.0130.05014.48
5.3.120.0100.07714.54
5.3.110.0100.07014.65
5.3.100.0170.06013.98
5.3.90.0100.05714.02
5.3.80.0070.03713.95
5.3.70.0030.08313.92
5.3.60.0070.07714.05
5.3.50.0030.04313.95
5.3.40.0100.05714.10
5.3.30.0100.07013.97
5.3.20.0100.07013.66
5.3.10.0100.07013.66
5.3.00.0000.04313.74
5.2.170.0070.02711.07
5.2.160.0030.04311.02
5.2.150.0070.06011.22
5.2.140.0070.05011.27
5.2.130.0070.06311.24
5.2.120.0070.05310.98
5.2.110.0030.06711.01
5.2.100.0100.05011.18
5.2.90.0100.05011.02
5.2.80.0070.04011.10
5.2.70.0100.04311.11
5.2.60.0000.06311.12
5.2.50.0030.03310.96
5.2.40.0100.03010.91
5.2.30.0000.04011.09
5.2.20.0100.05711.04
5.2.10.0100.04710.88
5.2.00.0100.04710.73
5.1.60.0000.05010.09
5.1.50.0070.0479.89
5.1.40.0100.03710.09
5.1.30.0100.05310.21
5.1.20.0000.05710.23
5.1.10.0000.04010.07
5.1.00.0000.03010.15
5.0.50.0030.0238.39
5.0.40.0070.0378.43
5.0.30.0100.0578.27
5.0.20.0070.0308.06
5.0.10.0030.0438.27
5.0.00.0100.0578.21
4.4.90.0000.0407.15
4.4.80.0070.0137.15
4.4.70.0030.0307.15
4.4.60.0030.0337.15
4.4.50.0000.0307.15
4.4.40.0030.0277.15
4.4.30.0000.0407.15
4.4.20.0030.0277.15
4.4.10.0000.0337.15
4.4.00.0000.0337.15
4.3.110.0000.0207.15
4.3.100.0070.0307.15
4.3.90.0000.0377.15
4.3.80.0070.0307.16
4.3.70.0030.0337.16
4.3.60.0030.0337.16
4.3.50.0000.0207.16
4.3.40.0000.0537.16
4.3.30.0000.0277.16
4.3.20.0100.0277.16
4.3.10.0000.0377.16
4.3.00.0000.0337.16

preferences:
147.54 ms | 1398 KiB | 7 Q