3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ConfigManager { var $config = array(); 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)
5.6.280.0070.07021.05
5.6.210.0000.04320.63
5.6.200.0100.07318.16
5.6.190.0130.08320.48
5.6.180.3400.04020.41
5.6.170.0330.07720.39
5.6.160.0130.08320.45
5.6.150.0100.03318.18
5.6.140.0130.06018.25
5.6.130.0130.05018.15
5.6.120.0230.07321.00
5.6.110.0100.07721.11
5.6.100.0100.09021.14
5.6.90.0070.08320.98
5.6.80.0070.06720.40
5.6.70.3700.03720.38
5.5.350.0030.08320.54
5.5.340.0100.03318.02
5.5.330.0100.08720.29
5.5.320.0300.03320.27
5.5.310.0270.06020.20
5.5.300.0030.06717.95
5.5.290.0100.07317.93
5.5.280.0070.08720.96
5.5.270.0070.04320.89
5.5.260.0100.07320.77
5.5.250.0070.04020.63
5.5.240.0070.08020.05
5.4.450.0670.06019.47
5.4.440.0630.05719.45
5.4.430.0630.05019.55
5.4.420.0630.06319.47
5.4.410.0100.05319.34
5.4.400.1000.00018.74
5.4.390.1400.00018.75
5.4.380.0330.05018.58
5.4.370.0270.05018.70
5.4.360.0230.05718.51
5.4.350.0300.05318.50
5.4.340.0300.05318.59
5.4.320.0090.03812.52
5.4.310.0020.04212.52
5.4.300.0100.03212.52
5.4.290.0060.03812.51
5.4.280.0040.03812.41
5.4.270.0080.04812.41
5.4.260.0070.05018.78
5.4.250.0100.06019.01
5.4.240.0130.04318.84
5.4.230.0100.04718.80
5.4.220.0100.05018.96
5.4.210.0030.05318.81
5.4.200.0130.04718.95
5.4.190.0130.07018.75
5.4.180.0030.05319.00
5.4.170.0000.05718.96
5.4.160.0200.03718.64
5.4.150.0100.07018.81
5.4.140.0070.05016.57
5.4.130.0130.04316.43
5.4.120.0030.05016.40
5.4.110.0100.07016.60
5.4.100.0070.07016.54
5.4.90.0130.04016.63
5.4.80.0170.03716.46
5.4.70.0100.05716.59
5.4.60.0000.05316.39
5.4.50.0100.06716.51
5.4.40.0130.05016.45
5.4.30.0130.04716.39
5.4.20.0100.04316.36
5.4.10.0030.05016.34
5.4.00.0130.04015.99
5.3.290.0050.04112.80
5.3.280.0130.04314.84
5.3.270.0000.06314.79
5.3.260.0030.06314.60
5.3.250.0200.04014.84
5.3.240.0130.04014.52
5.3.230.0100.04714.61
5.3.220.0130.06014.48
5.3.210.0130.05714.79
5.3.200.0130.04314.74
5.3.190.0070.05014.64
5.3.180.0130.04014.74
5.3.170.0100.05014.56
5.3.160.0100.07014.74
5.3.150.0030.05314.66
5.3.140.0070.07314.48
5.3.130.0070.05314.64
5.3.120.0100.05314.57
5.3.110.0030.06014.78
5.3.100.0130.04014.02
5.3.90.0030.05314.03
5.3.80.0130.05714.02
5.3.70.0070.07013.93
5.3.60.0100.05014.17
5.3.50.0030.05313.93
5.3.40.0100.04713.96
5.3.30.0000.06014.09
5.3.20.0100.04313.70
5.3.10.0030.05013.64
5.3.00.0130.04313.83
5.2.170.0030.04311.22
5.2.160.0000.04711.24
5.2.150.0070.03710.99
5.2.140.0030.05011.24
5.2.130.0000.04711.02
5.2.120.0000.04710.95
5.2.110.0070.04011.19
5.2.100.0070.03711.07
5.2.90.0130.03711.09
5.2.80.0100.03711.06
5.2.70.0000.04310.93
5.2.60.0030.06011.07
5.2.50.0000.04311.01
5.2.40.0070.03711.09
5.2.30.0100.03711.05
5.2.20.0070.03711.19
5.2.10.0030.04010.77
5.2.00.0030.05010.82
5.1.60.0030.0379.86
5.1.50.0000.03710.16
5.1.40.0000.03710.06
5.1.30.0070.03710.41
5.1.20.0030.04010.36
5.1.10.0030.03310.23
5.1.00.0070.04710.05
5.0.50.0030.0338.62
5.0.40.0000.0308.52
5.0.30.0030.0438.21
5.0.20.0000.0338.36
5.0.10.0070.0338.36
5.0.00.0000.0438.23
4.4.90.0030.0206.61
4.4.80.0000.0236.61
4.4.70.0000.0236.61
4.4.60.0000.0236.61
4.4.50.0000.0236.61
4.4.40.0070.0306.61
4.4.30.0000.0306.61
4.4.20.0030.0206.61
4.4.10.0030.0206.61
4.4.00.0030.0336.61
4.3.110.0030.0206.61
4.3.100.0030.0236.61
4.3.90.0070.0176.61
4.3.80.0130.0236.61
4.3.70.0000.0236.61
4.3.60.0000.0236.61
4.3.50.0030.0206.61
4.3.40.0000.0336.61
4.3.30.0000.0236.61
4.3.20.0000.0306.61
4.3.10.0030.0206.61
4.3.00.0100.0207.38

preferences:
147.39 ms | 1394 KiB | 7 Q