3v4l.org

run code in 300+ PHP versions simultaneously
<?php class SiteId { protected $id; public function __construct($id) { var_dump($id); $this->id = $id; } public function getId() { var_dump($this->id); return $this->id; } } $id = "1"; var_dump($id); $siteId = new SiteId($id); 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)
8.3.70.0110.01118.56
8.3.60.0140.00716.50
8.3.50.0130.00821.20
8.3.40.0070.00718.63
8.3.30.0080.00819.04
8.3.20.0070.00020.34
8.3.10.0060.00321.47
8.3.00.0040.00717.59
8.2.190.0070.00718.29
8.2.180.0070.00718.54
8.2.170.0120.00318.85
8.2.160.0200.00022.96
8.2.150.0090.00024.18
8.2.140.0000.00924.66
8.2.130.0040.00426.16
8.2.120.0050.00319.48
8.2.110.0070.00319.27
8.2.100.0040.00817.84
8.2.90.0000.00918.28
8.2.80.0000.00817.97
8.2.70.0050.00517.93
8.2.60.0000.00818.09
8.2.50.0060.00318.10
8.2.40.0040.00418.16
8.2.30.0000.00818.04
8.2.20.0040.00417.64
8.2.10.0080.00018.05
8.2.00.0050.00317.70
8.1.280.0070.00725.92
8.1.270.0030.00620.32
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0050.00521.91
8.1.230.0090.00322.75
8.1.220.0040.00417.76
8.1.210.0040.00418.77
8.1.200.0030.00617.36
8.1.190.0060.00317.10
8.1.180.0030.00518.10
8.1.170.0030.00620.36
8.1.160.0070.00021.99
8.1.150.0040.00418.80
8.1.140.0000.00817.31
8.1.130.0070.00017.81
8.1.120.0080.00017.34
8.1.110.0030.00617.38
8.1.100.0070.00017.34
8.1.90.0020.00517.42
8.1.80.0000.00817.31
8.1.70.0070.00017.28
8.1.60.0080.00017.58
8.1.50.0000.00717.55
8.1.40.0030.00617.43
8.1.30.0030.00617.57
8.1.20.0040.00417.65
8.1.10.0080.00017.52
8.1.00.0090.00017.51
8.0.300.0090.00019.98
8.0.290.0080.00016.75
8.0.280.0000.00718.54
8.0.270.0030.00317.18
8.0.260.0000.00617.30
8.0.250.0030.00316.76
8.0.240.0030.00316.77
8.0.230.0000.00816.77
8.0.220.0040.00416.84
8.0.210.0000.00716.73
8.0.200.0030.00316.88
8.0.190.0030.00516.91
8.0.180.0040.00416.86
8.0.170.0060.00316.75
8.0.160.0070.00016.89
8.0.150.0070.00016.68
8.0.140.0000.00716.66
8.0.130.0000.00613.23
8.0.120.0000.00816.80
8.0.110.0000.00716.78
8.0.100.0040.00416.81
8.0.90.0000.00716.68
8.0.80.0100.00716.74
8.0.70.0050.00216.79
8.0.60.0040.00416.67
8.0.50.0050.00216.81
8.0.30.0120.01216.88
8.0.20.0160.00617.40
8.0.10.0080.00016.96
8.0.00.0100.00716.79
7.4.330.0050.00015.09
7.4.320.0040.00416.30
7.4.300.0060.00016.41
7.4.290.0030.00316.59
7.4.280.0050.00316.57
7.4.270.0080.00016.59
7.4.260.0030.00316.57
7.4.250.0040.00416.47
7.4.240.0060.00116.60
7.4.230.0000.00816.62
7.4.220.0120.01216.67
7.4.210.0100.00716.49
7.4.200.0070.00016.34
7.4.160.0060.00916.40
7.4.150.0140.01117.40
7.4.140.0070.01417.86
7.4.130.0150.00716.42
7.4.120.0090.00816.45
7.4.110.0100.01016.47
7.4.100.0070.01016.41
7.4.90.0110.00516.59
7.4.80.0120.01119.39
7.4.70.0100.00616.39
7.4.60.0030.01316.50
7.4.50.0000.00816.34
7.4.40.0160.00016.47
7.4.30.0090.00916.47
7.4.00.0000.01714.91
7.3.330.0030.00313.39
7.3.320.0100.00513.20
7.3.310.0040.00416.41
7.3.300.0070.00016.35
7.3.290.0080.00016.36
7.3.280.0040.01216.30
7.3.270.0090.00917.40
7.3.260.0040.01316.39
7.3.250.0090.00916.46
7.3.240.0060.01016.55
7.3.230.0170.00316.39
7.3.210.0030.01316.50
7.3.200.0130.00419.39
7.3.190.0130.00316.40
7.3.180.0100.01316.43
7.3.170.0100.01016.58
7.3.160.0160.00016.41
7.2.330.0120.00616.61
7.2.320.0090.01216.66
7.2.310.0080.00816.84
7.2.300.0030.01416.59
7.2.290.0100.01016.80
7.2.60.0000.01516.96
7.2.00.0000.01319.58
7.1.200.0030.01015.62
7.1.100.0060.00318.27
7.1.70.0000.00716.86
7.1.60.0070.01719.50
7.1.50.0100.01316.91
7.1.00.0070.07322.48
7.0.200.0430.00914.59
7.0.140.0000.05021.97
7.0.110.0070.07320.00
7.0.100.0070.04319.84
7.0.90.0100.05319.89
7.0.80.0100.07719.92
7.0.70.0070.04319.79
7.0.60.0100.07319.94
7.0.50.0030.08719.90
7.0.40.0100.08019.70
7.0.30.0130.06319.66
7.0.20.0000.12019.58
7.0.10.0070.08019.65
7.0.00.0070.07719.73
5.6.280.0030.07321.05
5.6.260.0100.08320.68
5.6.250.0030.05020.54
5.6.240.0030.05020.66
5.6.230.0030.07320.64
5.6.220.0030.03720.41
5.6.210.0170.06320.76
5.6.200.0130.06720.66
5.6.190.0070.07320.51
5.6.180.0000.08720.57
5.6.170.0030.05020.52
5.6.160.0130.07720.63
5.6.150.0030.08720.60
5.6.140.0070.07720.80
5.6.130.0000.07720.54
5.6.120.0000.08320.65
5.6.110.0070.07320.59
5.6.100.0030.06020.55
5.6.90.0030.04720.56
5.6.80.0100.07320.01
5.6.70.0030.04320.01
5.6.60.0030.03719.94
5.6.50.0130.07320.02
5.6.40.0130.06719.95
5.6.30.0130.07020.00
5.6.20.0100.08019.78
5.6.10.0230.06319.99
5.6.00.0000.08319.98
5.5.380.0070.05717.70
5.5.370.0130.07317.52
5.5.360.0000.04717.59
5.5.350.0070.07317.65
5.5.340.0070.08017.91
5.5.330.0070.05717.89
5.5.320.0030.07018.13
5.5.310.0070.07017.96
5.5.300.0030.08717.91
5.5.290.0030.04018.22
5.5.280.0030.03718.10
5.5.270.0030.08018.09
5.5.260.0030.05717.91
5.5.250.0000.04018.06
5.5.240.0100.05317.31
5.5.230.0070.07317.47
5.5.220.0000.04017.44
5.5.210.0000.06317.30
5.5.200.0070.07317.50
5.5.190.0030.08017.30
5.5.180.0030.07717.28
5.5.160.0170.06017.44
5.5.150.0130.03017.47
5.5.140.0030.04317.26
5.5.130.0100.07017.24
5.5.120.0030.08017.48
5.5.110.0070.07717.25
5.5.100.0070.06317.18
5.5.90.0100.02717.38
5.5.80.0070.07317.18
5.5.70.0030.07317.20
5.5.60.0070.07317.36
5.5.50.0100.06017.17
5.5.40.0030.07017.36
5.5.30.0100.06317.36
5.5.20.0070.07317.14
5.5.10.0070.07717.15
5.5.00.0100.07017.06
5.4.450.0100.07019.42
5.4.440.0070.08019.48
5.4.430.0030.08019.61
5.4.420.0030.07319.47
5.4.410.0130.03019.18
5.4.400.0070.06719.30
5.4.390.0000.06018.96
5.4.380.0000.04318.90
5.4.370.0100.06319.18
5.4.360.0030.04319.18
5.4.350.0130.06719.03
5.4.340.0000.05018.90
5.4.320.0070.06318.93
5.4.310.0030.03719.13
5.4.300.0130.06319.29
5.4.290.0070.06019.09
5.4.280.0100.08019.04
5.4.270.0100.05719.20
5.4.260.0030.04318.95
5.4.250.0100.07019.13
5.4.240.0100.07018.93
5.4.230.0070.07018.96
5.4.220.0070.07019.16
5.4.210.0130.06718.93
5.4.200.0000.05319.09
5.4.190.0000.04019.11
5.4.180.0030.05318.98
5.4.170.0100.04019.12
5.4.160.0070.07719.24
5.4.150.0070.03719.23
5.4.140.0070.07016.49
5.4.130.0030.07316.50
5.4.120.0100.07016.46
5.4.110.0070.07016.37
5.4.100.0030.07716.27
5.4.90.0070.07716.37
5.4.80.0130.06316.35
5.4.70.0100.07016.20
5.4.60.0030.06316.41
5.4.50.0030.05016.24
5.4.40.0100.05716.34
5.4.30.0130.06716.50
5.4.20.0000.04016.49
5.4.10.0130.07016.48
5.4.00.0070.07715.80
5.3.290.0030.04014.68
5.3.280.0100.06014.83
5.3.270.0000.08314.48
5.3.260.0030.08014.57
5.3.250.0000.06714.61
5.3.240.0000.04014.63
5.3.230.0030.07314.68
5.3.220.0070.04014.58
5.3.210.0070.08014.59
5.3.200.0000.07014.53
5.3.190.0070.07014.56
5.3.180.0100.06014.57
5.3.170.0000.08014.56
5.3.160.0100.06714.52
5.3.150.0100.07314.56
5.3.140.0070.07714.57
5.3.130.0100.07014.68
5.3.120.0170.06714.56
5.3.110.0100.07314.57
5.3.100.0100.05014.13
5.3.90.0100.07014.02
5.3.80.0030.05314.25
5.3.70.0070.04014.11
5.3.60.0070.04014.02
5.3.50.0070.03313.99
5.3.40.0070.03713.96
5.3.30.0000.04013.98
5.3.20.0030.03713.55
5.3.10.0000.03713.80
5.3.00.0030.03313.62
5.2.170.0000.03311.17
5.2.160.0030.03011.29
5.2.150.0070.02711.38
5.2.140.0030.03011.10
5.2.130.0030.03711.17
5.2.120.0030.02711.19
5.2.110.0000.03011.05
5.2.100.0000.03011.25
5.2.90.0000.02711.11
5.2.80.0070.02711.24
5.2.70.0030.02711.16
5.2.60.0030.02711.06
5.2.50.0000.03011.25
5.2.40.0030.02310.96
5.2.30.0000.02710.97
5.2.20.0000.02710.97
5.2.10.0030.03010.84
5.2.00.0030.02710.72
5.1.60.0030.0539.96
5.1.50.0100.03310.16
5.1.40.0030.04010.16
5.1.30.0000.02710.42
5.1.20.0000.03010.38
5.1.10.0000.02310.25
5.1.00.0030.0209.91
5.0.50.0000.0179.70
5.0.40.0000.0339.70
5.0.30.0030.0279.70
5.0.20.0030.0379.70
5.0.10.0030.0239.70
5.0.00.0030.0409.70
4.4.90.0000.0179.70
4.4.80.0000.0179.70
4.4.70.0000.0179.70
4.4.60.0030.0139.70
4.4.50.0030.0139.70
4.4.40.0000.0339.70
4.4.30.0030.0209.70
4.4.20.0000.0179.70
4.4.10.0030.0179.70
4.4.00.0000.0239.70
4.3.110.0000.0279.70
4.3.100.0030.0209.70
4.3.90.0070.0209.70
4.3.80.0000.0339.70
4.3.70.0000.0139.70
4.3.60.0000.0139.70
4.3.50.0030.0139.70
4.3.40.0030.0209.70
4.3.30.0000.0179.70
4.3.20.0030.0179.70
4.3.10.0070.0109.70
4.3.00.0000.0139.70

preferences:
45.29 ms | 401 KiB | 5 Q