3v4l.org

run code in 300+ PHP versions simultaneously
<?php define("TEST_STRING", "Hello World!"); class RequestObserver { public function __construct() { ob_start(); } public function __destruct() { $content = ob_get_flush(); if ($content == TEST_STRING) { echo PHP_EOL, "+ Test passed"; } else { echo PHP_EOL, "- Test failed:", PHP_EOL; var_dump($content); } } } $observer = new RequestObserver(); echo TEST_STRING;

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)
8.3.60.0150.00616.25
8.3.50.0120.00616.36
8.3.40.0160.00618.76
8.3.30.0120.00618.53
8.3.20.0070.00020.37
8.3.10.0000.00821.87
8.3.00.0040.01118.00
8.2.180.0140.00016.75
8.2.170.0120.00322.96
8.2.160.0040.01121.15
8.2.150.0040.00425.66
8.2.140.0030.00624.66
8.2.130.0070.00720.47
8.2.120.0090.00026.35
8.2.110.0030.00722.11
8.2.100.0040.00719.39
8.2.90.0030.00719.22
8.2.80.0050.00320.41
8.2.70.0040.00417.63
8.2.60.0030.00517.50
8.2.50.0030.00517.63
8.2.40.0060.00319.05
8.2.30.0040.00719.31
8.2.20.0000.00718.06
8.2.10.0080.00018.16
8.2.00.0000.00718.25
8.1.280.0140.01025.92
8.1.270.0030.00522.21
8.1.260.0000.00826.35
8.1.250.0110.00428.09
8.1.240.0000.00920.96
8.1.230.0080.00420.97
8.1.220.0040.00417.77
8.1.210.0050.00318.78
8.1.200.0050.00317.36
8.1.190.0040.00417.53
8.1.180.0000.00818.10
8.1.170.0000.01117.62
8.1.160.0050.00318.88
8.1.150.0070.00021.96
8.1.140.0070.00019.48
8.1.130.0030.00319.07
8.1.120.0040.00417.38
8.1.110.0040.00417.43
8.1.100.0030.00617.46
8.1.90.0000.00817.46
8.1.80.0040.00417.49
8.1.70.0000.00717.37
8.1.60.0000.00917.62
8.1.50.0040.00417.39
8.1.40.0000.00817.43
8.1.30.0000.00817.56
8.1.20.0040.00417.66
8.1.10.0040.00417.45
8.1.00.0000.00717.55
8.0.300.0080.00019.99
8.0.290.0000.00916.75
8.0.280.0070.00018.45
8.0.270.0000.00918.62
8.0.260.0000.00619.00
8.0.250.0040.00416.80
8.0.240.0000.00716.98
8.0.230.0070.00016.85
8.0.220.0030.00316.73
8.0.210.0030.00516.88
8.0.200.0070.00016.84
8.0.190.0000.00716.86
8.0.180.0000.00816.89
8.0.170.0050.00316.82
8.0.160.0030.00316.92
8.0.150.0070.00016.84
8.0.140.0000.00716.83
8.0.130.0000.00613.28
8.0.120.0030.00516.92
8.0.110.0000.00716.85
8.0.100.0000.00816.76
8.0.90.0020.00516.75
8.0.80.0040.01116.90
8.0.70.0040.00416.73
8.0.60.0070.00016.98
8.0.50.0040.00416.77
8.0.30.0130.00717.08
8.0.20.0120.00717.40
8.0.10.0000.00716.92
8.0.00.0070.01016.91
7.4.330.0030.00315.55
7.4.320.0030.00316.61
7.4.300.0070.00016.52
7.4.290.0000.00716.64
7.4.280.0060.00316.50
7.4.270.0040.00416.58
7.4.260.0000.00716.64
7.4.250.0000.00716.59
7.4.240.0040.00416.60
7.4.230.0030.00316.35
7.4.220.0140.01416.37
7.4.210.0060.00916.72
7.4.200.0000.00716.50
7.4.160.0040.01316.34
7.4.150.0110.01117.40
7.4.140.0110.00917.86
7.4.130.0110.01216.51
7.4.120.0120.00816.46
7.4.110.0100.01316.43
7.4.100.0120.00916.44
7.4.90.0080.01216.41
7.4.80.0070.01119.39
7.4.70.0090.00816.43
7.4.60.0030.01216.48
7.4.50.0040.01116.36
7.4.40.0080.00916.45
7.4.30.0090.00616.55
7.4.10.0090.01016.55
7.4.00.0050.01315.60
7.3.330.0000.00613.21
7.3.320.0030.00313.26
7.3.310.0040.00416.27
7.3.300.0000.00716.18
7.3.290.0090.00816.25
7.3.280.0080.00916.23
7.3.270.0080.00817.40
7.3.260.0130.00816.39
7.3.250.0070.01216.37
7.3.240.0030.01416.32
7.3.230.0070.01016.21
7.3.210.0110.00616.35
7.3.200.0030.01616.33
7.3.190.0090.00916.49
7.3.180.0130.00316.32
7.3.170.0160.00716.25
7.3.160.0070.01016.40
7.3.130.0060.00916.51
7.3.120.0060.01316.13
7.3.110.0040.01116.22
7.3.100.0040.01115.99
7.3.90.0120.00616.30
7.3.80.0070.00716.42
7.3.70.0060.00316.34
7.3.60.0090.00916.25
7.3.50.0080.00416.26
7.3.40.0140.00016.37
7.3.30.0030.01316.46
7.3.20.0120.00618.10
7.3.10.0040.00917.27
7.3.00.0060.00717.45
7.2.330.0030.01516.53
7.2.320.0100.00616.71
7.2.310.0030.01516.76
7.2.300.0130.00916.44
7.2.290.0110.01116.72
7.2.260.0030.01316.51
7.2.250.0100.00716.66
7.2.240.0100.00316.42
7.2.230.0070.01016.38
7.2.220.0030.01316.61
7.2.210.0030.01016.44
7.2.200.0030.01316.47
7.2.190.0120.00016.48
7.2.180.0100.00316.64
7.2.170.0030.01216.62
7.2.160.0070.00716.53
7.2.150.0100.00318.57
7.2.140.0070.00718.50
7.2.130.0050.01217.68
7.2.120.0060.00917.69
7.2.110.0080.01017.69
7.2.100.0050.01017.42
7.2.90.0100.00317.71
7.2.80.0080.00517.51
7.2.70.0070.00517.61
7.2.60.0050.00917.28
7.2.50.0060.00817.69
7.2.40.0050.00917.56
7.2.30.0060.01017.50
7.2.20.0000.01317.61
7.2.10.0090.00717.59
7.2.00.0060.00718.20
7.1.330.0070.00717.19
7.1.320.0030.01517.21
7.1.310.0070.00717.51
7.1.300.0080.00817.32
7.1.290.0030.00717.36
7.1.280.0030.00617.22
7.1.270.0030.01317.26
7.1.260.0030.00717.38
7.1.250.0080.00316.55
7.1.240.0070.00817.22
7.1.230.0140.00317.12
7.1.220.0070.00717.20
7.1.210.0130.00317.37
7.1.200.0050.00916.55
7.1.190.0120.00317.27
7.1.180.0030.00917.16
7.1.170.0090.00317.24
7.1.160.0000.01917.20
7.1.150.0070.00717.33
7.1.140.0030.01017.25
7.1.130.0100.00617.20
7.1.120.0080.00317.19
7.1.110.0050.00517.23
7.1.100.0030.01017.00
7.1.90.0100.00317.30
7.1.80.0070.00717.07
7.1.70.0080.00317.11
7.1.60.0070.00517.22
7.1.50.0120.01226.05
7.1.40.0120.00725.64
7.1.30.0100.01325.66
7.1.20.0100.01225.76
7.1.10.0030.00916.93
7.1.00.0080.00616.77
7.0.330.0060.00317.00
7.0.320.0130.00317.07
7.0.310.0040.00816.83
7.0.300.0030.00616.93
7.0.290.0060.01317.09
7.0.280.0000.01317.05
7.0.270.0060.00916.91
7.0.260.0050.00516.90
7.0.250.0030.00616.86
7.0.240.0030.01016.95
7.0.230.0030.00716.91
7.0.220.0040.00817.08
7.0.210.0060.00617.10
7.0.200.0050.00616.81
7.0.190.0060.00917.02
7.0.180.0030.00816.50
7.0.170.0030.01216.47
7.0.160.0020.01116.48
7.0.150.0030.01016.46
7.0.140.0070.00816.63
7.0.130.0050.00616.73
7.0.120.0000.01216.64
7.0.110.0030.00816.48
7.0.100.0020.01016.50
7.0.90.0010.01116.40
7.0.80.0050.00816.57
7.0.70.0070.00716.50
7.0.60.0030.00816.31
7.0.50.0020.00716.60
7.0.40.0030.01015.61
7.0.30.0070.00715.68
7.0.20.0020.00815.56
7.0.10.0040.00615.63
7.0.00.0030.00615.56
5.6.400.0070.00715.90
5.6.390.0070.00715.73
5.6.380.0040.01215.60
5.6.370.0090.00615.77
5.6.360.0090.00615.93
5.6.350.0100.00315.88
5.6.340.0030.01015.82
5.6.330.0030.00915.97
5.6.320.0060.00916.15
5.6.310.0030.01416.21
5.6.300.0100.00315.70
5.6.290.0090.00316.00
5.6.280.0000.01015.68
5.6.270.0090.00615.68
5.6.260.0070.00716.09
5.6.250.0090.00616.14
5.6.240.0090.00315.77
5.6.230.0000.01216.03
5.6.220.0030.00715.85
5.6.210.0030.00715.76
5.6.200.0030.01215.94
5.6.190.0090.00916.20
5.6.180.0070.01015.73
5.6.170.0100.00616.03
5.6.160.0080.00315.79
5.6.150.0130.00315.70
5.6.140.0030.01415.66
5.6.130.0080.00815.82
5.6.120.0000.01615.82
5.6.110.0040.00815.92
5.6.100.0060.00615.65
5.6.90.0100.00315.67
5.6.80.0070.00715.65
5.6.70.0040.01115.92
5.6.60.0090.00615.66
5.6.50.0070.00715.70
5.6.40.0060.01015.82
5.6.30.0060.00915.84
5.6.20.0000.01415.68
5.6.10.0030.01015.73
5.6.00.0000.01016.02

preferences:
83.83 ms | 401 KiB | 5 Q