3v4l.org

run code in 300+ PHP versions simultaneously
<?php class SiteId { protected $id; public function __construct($id) { $this->id = $id; } public function getId() { return $this->id; } } $siteId = new SiteId("1"); echo "Is Site ID a string? "; var_dump(is_string($siteId)); echo "\n"; $identifiers = []; $identifiers[$siteId->getId()][] = 'test'; var_dump(array_keys($identifiers));

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)
8.3.60.0120.00916.63
8.3.50.0090.00918.44
8.3.40.0110.00418.85
8.3.30.0110.00418.90
8.3.20.0040.00420.30
8.3.10.0080.00021.58
8.3.00.0060.00319.07
8.2.180.0120.00318.16
8.2.170.0150.00019.07
8.2.160.0060.00922.96
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0030.00519.36
8.2.110.0090.00019.27
8.2.100.0060.00617.63
8.2.90.0040.00419.39
8.2.80.0080.00017.97
8.2.70.0080.00017.63
8.2.60.0030.00617.93
8.2.50.0000.00818.07
8.2.40.0000.00718.34
8.2.30.0000.00718.05
8.2.20.0000.00817.56
8.2.10.0040.00417.97
8.2.00.0030.00617.73
8.1.280.0100.00725.92
8.1.270.0030.00620.38
8.1.260.0050.00226.35
8.1.250.0000.00828.09
8.1.240.0060.00322.66
8.1.230.0030.00717.48
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0030.00817.35
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0030.00620.28
8.1.160.0080.00021.83
8.1.150.0030.00318.83
8.1.140.0000.00717.44
8.1.130.0070.00017.88
8.1.120.0080.00017.45
8.1.110.0070.00017.41
8.1.100.0050.00217.31
8.1.90.0000.00817.40
8.1.80.0070.00017.44
8.1.70.0070.00017.39
8.1.60.0040.00417.62
8.1.50.0040.00417.50
8.1.40.0000.00817.52
8.1.30.0040.00417.56
8.1.20.0000.00717.75
8.1.10.0040.00417.45
8.1.00.0030.00617.55
8.0.300.0000.00818.77
8.0.290.0000.00816.63
8.0.280.0070.00018.46
8.0.270.0000.00717.14
8.0.260.0030.00317.18
8.0.250.0000.00716.88
8.0.240.0070.00016.78
8.0.230.0030.00316.86
8.0.220.0000.00716.82
8.0.210.0030.00316.71
8.0.200.0060.00016.88
8.0.190.0070.00016.92
8.0.180.0040.00316.82
8.0.170.0040.00416.79
8.0.160.0000.00716.87
8.0.150.0000.00716.82
8.0.140.0040.00316.82
8.0.130.0000.00713.25
8.0.120.0040.00416.81
8.0.110.0040.00416.73
8.0.100.0000.00816.88
8.0.90.0040.00416.90
8.0.80.0060.01016.82
8.0.70.0000.00716.87
8.0.60.0040.00416.72
8.0.50.0000.00716.80
8.0.30.0100.01217.02
8.0.20.0090.00917.40
8.0.10.0040.00416.91
8.0.00.0100.00916.80
7.4.330.0030.00315.09
7.4.320.0060.00016.47
7.4.300.0030.00316.50
7.4.290.0030.00316.53
7.4.280.0050.00316.52
7.4.270.0030.00316.52
7.4.260.0030.00316.51
7.4.250.0070.00016.56
7.4.240.0040.00416.41
7.4.230.0000.00716.37
7.4.220.0160.01016.57
7.4.210.0060.00816.54
7.4.200.0000.00716.69
7.4.160.0080.01316.56
7.4.150.0140.00317.40
7.4.140.0130.00717.86
7.4.130.0110.00616.36
7.4.120.0110.00616.47
7.4.110.0080.01416.54
7.4.100.0070.01616.57
7.4.90.0090.00916.66
7.4.80.0190.00619.39
7.4.70.0120.00616.38
7.4.60.0030.01216.52
7.4.50.0040.00416.41
7.4.40.0120.00916.39
7.4.30.0090.00816.34
7.4.00.0070.01015.11
7.3.330.0020.00213.43
7.3.320.0120.00313.32
7.3.310.0070.00016.23
7.3.300.0030.00316.38
7.3.290.0000.00716.30
7.3.280.0060.00916.33
7.3.270.0180.00617.40
7.3.260.0100.00716.41
7.3.250.0090.01116.50
7.3.240.0100.00716.68
7.3.230.0100.01316.39
7.3.210.0120.00916.21
7.3.200.0140.00319.39
7.3.190.0100.00716.48
7.3.180.0220.00016.60
7.3.170.0070.01416.52
7.3.160.0000.02016.26
7.3.10.0080.00616.64
7.3.00.0060.00516.34
7.2.330.0150.00316.50
7.2.320.0160.00616.74
7.2.310.0030.01616.86
7.2.300.0070.01016.84
7.2.290.0070.01116.81
7.2.130.0050.01116.91
7.2.120.0070.00716.97
7.2.110.0070.01016.94
7.2.100.0080.01117.13
7.2.90.0110.00317.04
7.2.80.0130.00616.99
7.2.70.0120.00316.81
7.2.60.0100.00416.95
7.2.50.0140.00216.79
7.2.40.0100.00316.94
7.2.30.0040.01116.85
7.2.20.0070.00716.81
7.2.10.0030.01016.90
7.2.00.0060.00817.68
7.1.250.0080.00715.82
7.1.200.0070.00715.87
7.1.100.0070.00717.91
7.1.70.0050.00317.12
7.1.60.0090.01519.50
7.1.50.0120.01216.99
7.1.00.0070.07322.31
7.0.200.0390.01214.69
7.0.140.0000.05022.09
7.0.60.0100.08019.87
7.0.50.0030.04017.88
7.0.40.0130.08020.25
7.0.30.0470.04020.16
7.0.20.0230.06320.33
7.0.10.0230.07320.24
7.0.00.0170.07320.11
5.6.280.0000.07721.00
5.6.210.0030.04020.61
5.6.200.0070.08718.23
5.6.190.0070.07320.51
5.6.180.0330.07720.30
5.6.170.0400.07720.40
5.6.160.0100.08720.50
5.6.150.0130.04718.18
5.6.140.0170.05718.17
5.6.130.0100.07718.14
5.6.120.0100.07321.05
5.6.110.0100.07021.05
5.6.100.0100.07721.11
5.6.90.0070.07021.13
5.6.80.0170.07320.36
5.6.70.0500.05720.38
5.5.350.0230.07320.34
5.5.340.0130.03717.96
5.5.330.0030.04320.21
5.5.320.0130.05720.32
5.5.310.0200.04020.26
5.5.300.0030.04318.09
5.5.290.0070.03717.95
5.5.280.0170.07720.77
5.5.270.0170.03320.88
5.5.260.0130.06020.79
5.5.250.0070.08320.62
5.5.240.0070.08720.23
5.4.450.0130.05719.20
5.4.440.0800.06319.61
5.4.430.0030.07019.54
5.4.420.0800.05319.17
5.4.410.0270.04018.70
5.4.400.0500.06018.67
5.4.390.0470.07718.61
5.4.380.0500.06718.63
5.4.370.0300.06318.50
5.4.360.0530.07718.79
5.4.350.0470.08018.51
5.4.340.0700.04318.74
5.4.320.0570.06718.57
5.4.310.0370.07718.78
5.4.300.0500.06018.78
5.4.290.0500.05718.78
5.4.280.0430.07318.72
5.4.270.0400.06718.61
5.4.260.0470.07318.77
5.4.250.0330.06318.56
5.4.240.0370.06018.75
5.4.230.0330.05718.46
5.4.220.0370.05718.82
5.4.210.0530.06318.77
5.4.200.0370.07316.54
5.4.190.0370.05318.79
5.4.180.0330.07718.51
5.4.170.0500.07718.61
5.4.160.0500.07018.59
5.4.150.0400.04718.45
5.4.140.0530.05316.42
5.4.130.0400.06016.27
5.4.120.0430.06316.29
5.4.110.0370.05316.42
5.4.100.0630.06016.34
5.4.90.0530.07316.33
5.4.80.0330.05316.24
5.4.70.0630.05716.27
5.4.60.0470.05716.19
5.4.50.0470.05716.19
5.4.40.0530.06716.15
5.4.30.0600.05316.16
5.4.20.0500.06016.28
5.4.10.0430.07016.23
5.4.00.0570.05015.69
5.3.290.0470.07014.70
5.3.280.0500.05314.61
5.3.270.0470.07014.83
5.3.260.0500.08014.71
5.3.250.0330.06314.65
5.3.240.0530.05714.65
5.3.230.0400.06014.72
5.3.220.0670.07014.70
5.3.210.0670.07014.70
5.3.200.0570.06314.79
5.3.190.0470.05714.79
5.3.180.0300.06314.61
5.3.170.0500.05714.79
5.3.160.0370.07314.68
5.3.150.0370.07714.73
5.3.140.0600.05714.59
5.3.130.0570.07014.77
5.3.120.0570.05314.66
5.3.110.0270.07014.77
5.3.100.0500.06714.15
5.3.90.0530.07014.20
5.3.80.0500.07314.08
5.3.70.0470.05314.04
5.3.60.0300.06314.13
5.3.50.0570.05714.12
5.3.40.0400.06014.01
5.3.30.0400.05714.03
5.3.20.0370.05313.77
5.3.10.0570.06313.70
5.3.00.0400.06713.85
5.2.170.0300.05311.25
5.2.160.0370.04011.25
5.2.150.0330.04311.25
5.2.140.0370.05311.17
5.2.130.0300.05311.14
5.2.120.0300.06311.16
5.2.110.0400.05711.16
5.2.100.0300.04011.15
5.2.90.0300.04311.14
5.2.80.0300.05011.09
5.2.70.0370.05711.22
5.2.60.0430.04311.28
5.2.50.0370.05711.05
5.2.40.0230.05311.21
5.2.30.0270.06310.96
5.2.20.0300.05010.98
5.2.10.0230.04710.99
5.2.00.0330.05010.79
5.1.60.0430.03710.08
5.1.50.0300.04010.02
5.1.40.0170.0479.97
5.1.30.0330.03710.43
5.1.20.0230.06010.45
5.1.10.0100.04010.12
5.1.00.0100.04010.26
5.0.50.0130.0308.63
5.0.40.0130.0308.51
5.0.30.0130.0478.25
5.0.20.0100.0338.24
5.0.10.0130.0278.38
5.0.00.0170.0538.30
4.4.90.0170.0205.89
4.4.80.0130.0205.91
4.4.70.0130.0235.87
4.4.60.0070.0335.86
4.4.50.0270.0205.89
4.4.40.0070.0475.86
4.4.30.0130.0305.96
4.4.20.0130.0305.97
4.4.10.0130.0275.93
4.4.00.0070.0476.00
4.3.110.0170.0275.85
4.3.100.0170.0205.93
4.3.90.0170.0275.91
4.3.80.0070.0475.91
4.3.70.0200.0235.85
4.3.60.0070.0305.86
4.3.50.0130.0205.85
4.3.40.0100.0375.85
4.3.30.0000.0275.85
4.3.20.0030.0275.85
4.3.10.0100.0175.85
4.3.00.0000.0236.89

preferences:
96.23 ms | 400 KiB | 5 Q