3v4l.org

run code in 300+ PHP versions simultaneously
<?php class LuceneModel { public $index; public function __construct() { $this->index = 'super'; } public function addNode() { $index =& $this->index; $index .= 'toto'; echo $index; echo '<hr>'; echo $this->index; } } $test = new LuceneModel(); $test->addNode();

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)
8.3.60.0070.00716.63
8.3.50.0120.00817.41
8.3.40.0100.00718.89
8.3.30.0090.00618.59
8.3.20.0080.00018.65
8.3.10.0030.00618.77
8.3.00.0040.00419.25
8.2.180.0110.00716.63
8.2.170.0140.00022.96
8.2.160.0070.00720.75
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00421.07
8.2.110.0060.00319.14
8.2.100.0040.00817.72
8.2.90.0060.00319.48
8.2.80.0050.00319.40
8.2.70.0080.00017.61
8.2.60.0040.00517.80
8.2.50.0000.00918.07
8.2.40.0030.00518.16
8.2.30.0060.00318.04
8.2.20.0090.00019.42
8.2.10.0050.00317.77
8.2.00.0000.00817.84
8.1.280.0130.00325.92
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.01322.70
8.1.230.0080.00420.94
8.1.220.0040.00417.79
8.1.210.0030.00618.90
8.1.200.0060.00317.23
8.1.190.0000.00717.53
8.1.180.0090.00018.10
8.1.170.0030.00618.77
8.1.160.0040.00418.77
8.1.150.0000.00718.54
8.1.140.0070.00017.39
8.1.130.0000.00717.79
8.1.120.0060.00317.30
8.1.110.0000.00717.49
8.1.100.0000.00717.41
8.1.90.0040.00417.41
8.1.80.0000.00817.28
8.1.70.0000.00717.34
8.1.60.0000.00817.63
8.1.50.0060.00317.48
8.1.40.0020.00517.53
8.1.30.0040.00417.65
8.1.20.0060.00317.55
8.1.10.0040.00417.58
8.1.00.0030.00517.39
8.0.300.0040.00419.97
8.0.290.0000.00816.75
8.0.280.0030.00318.38
8.0.270.0040.00417.18
8.0.260.0030.00316.70
8.0.250.0050.00216.90
8.0.240.0000.00816.98
8.0.230.0060.00016.92
8.0.220.0050.00216.81
8.0.210.0000.00716.86
8.0.200.0000.00716.78
8.0.190.0000.00716.80
8.0.180.0030.00316.80
8.0.170.0030.00716.63
8.0.160.0050.00216.80
8.0.150.0030.00616.90
8.0.140.0040.00716.72
8.0.130.0000.00613.24
8.0.120.0000.00716.75
8.0.110.0050.00316.88
8.0.100.0030.00616.63
8.0.90.0050.00316.71
8.0.80.0070.00816.85
8.0.70.0040.00416.82
8.0.60.0040.00416.77
8.0.50.0040.00416.77
8.0.30.0130.00717.29
8.0.20.0140.00916.80
8.0.10.0040.00416.83
8.0.00.0090.01216.83
7.4.330.0020.00212.84
7.4.320.0000.00716.55
7.4.300.0030.00316.49
7.4.290.0030.00316.50
7.4.280.0050.00316.63
7.4.270.0000.00716.52
7.4.260.0030.00313.26
7.4.250.0000.00816.53
7.4.240.0030.00616.44
7.4.230.0070.00016.59
7.4.220.0090.00916.46
7.4.210.0090.01216.61
7.4.200.0000.00716.70
7.4.190.0030.00316.63
7.4.160.0120.00316.56
7.4.150.0090.00916.58
7.4.140.0080.00816.39
7.4.130.0100.00716.40
7.4.120.0110.01116.48
7.4.110.0090.01216.48
7.4.100.0140.00416.61
7.4.90.0150.00316.41
7.4.80.0080.00819.39
7.4.70.0100.00816.59
7.4.60.0070.01016.61
7.4.50.0000.00916.55
7.4.40.0060.00916.54
7.4.30.0080.00916.47
7.4.00.0100.00714.84
7.3.330.0060.00013.26
7.3.320.0020.00513.20
7.3.310.0030.00516.31
7.3.300.0070.00016.19
7.3.290.0060.00816.30
7.3.280.0120.00716.31
7.3.270.0090.00916.61
7.3.260.0030.01316.36
7.3.250.0150.00816.39
7.3.240.0120.00416.58
7.3.230.0030.01316.53
7.3.210.0070.01016.21
7.3.200.0100.00716.62
7.3.190.0040.01216.35
7.3.180.0150.00516.50
7.3.170.0130.00916.38
7.3.160.0030.01316.70
7.3.120.0040.01014.71
7.2.330.0000.01816.73
7.2.320.0100.00616.75
7.2.310.0120.00316.71
7.2.300.0070.02016.79
7.2.290.0150.00016.72
7.2.80.0060.00616.37
7.1.200.0040.00715.77
7.1.70.0000.01316.98
7.1.60.0100.01419.30
7.1.50.0030.01616.86
7.1.00.0000.07022.36
7.0.200.0060.00316.68
7.0.140.0030.07321.95
7.0.120.0030.07322.26
7.0.60.0030.08319.89
7.0.50.0100.06017.95
7.0.40.0100.06320.02
7.0.30.0370.07020.33
7.0.20.0230.05020.05
7.0.10.0030.04320.13
7.0.00.0000.06320.08
5.6.280.0030.07021.02
5.6.210.0070.08020.63
5.6.200.0030.08318.27
5.6.190.0030.04320.48
5.6.180.0170.04720.42
5.6.170.0070.05020.56
5.6.160.0030.04720.39
5.6.150.0100.03318.28
5.6.140.0070.03718.15
5.6.130.0030.08718.17
5.6.120.0070.08021.15
5.6.110.0100.08021.01
5.6.100.0130.06321.02
5.6.90.0070.07321.00
5.6.80.0070.07320.53
5.5.350.0230.06020.29
5.5.340.0070.08318.02
5.5.330.0200.07020.21
5.5.320.0430.05320.24
5.5.310.0400.06720.30
5.5.300.0030.08017.97
5.5.290.0070.05017.96
5.5.280.0230.06720.78
5.5.270.0030.04320.84
5.5.260.0130.08020.77
5.5.250.0070.08020.58
5.5.240.0070.07720.24
5.4.450.0100.05019.34
5.4.440.0070.07719.30
5.4.430.0100.06319.30
5.4.420.0100.07719.56
5.4.410.0000.04319.12
5.4.400.0030.04018.93
5.4.390.0100.07319.18
5.4.380.0030.04719.16
5.4.370.0030.04719.17
5.4.360.0070.04019.20
5.4.350.0170.07019.15
5.4.340.0130.04318.86
5.4.320.0030.08319.12
5.4.310.0070.06019.20
5.4.300.0070.04319.16
5.4.290.0130.06719.12
5.4.280.0070.03719.26
5.4.270.0070.07319.07
5.4.260.0130.04319.07
5.4.250.0170.03718.84
5.4.240.0070.06719.13
5.4.230.0130.05318.86
5.4.220.0100.06019.23
5.4.210.0070.06318.85
5.4.200.0030.05019.19
5.4.190.0070.06019.14
5.4.180.0030.05018.84
5.4.170.0100.05718.93
5.4.160.0100.05319.06
5.4.150.0100.06019.13
5.4.140.0070.04716.36
5.4.130.0030.05716.41
5.4.120.0070.04016.47
5.4.110.0000.04016.76
5.4.100.0030.05316.46
5.4.90.0000.04016.46
5.4.80.0130.02716.36
5.4.70.0070.03016.52
5.4.60.0000.04016.45
5.4.50.0030.03316.45
5.4.40.0000.03716.27
5.4.30.0030.03316.36
5.4.20.0030.03316.64
5.4.10.0100.04716.39
5.4.00.0000.03715.87
5.3.290.0030.04714.70
5.3.280.0070.06014.59
5.3.270.0000.07014.61
5.3.260.0070.08014.60
5.3.250.0070.07714.65
5.3.240.0100.04314.60
5.3.230.0100.07314.60
5.3.220.0030.04314.56
5.3.210.0100.03314.62
5.3.200.0070.07314.72
5.3.190.0000.04014.60
5.3.180.0070.04314.61
5.3.170.0070.04014.56
5.3.160.0070.03314.55
5.3.150.0100.03014.56
5.3.140.0000.04014.57
5.3.130.0000.04014.57
5.3.120.0030.03714.55
5.3.110.0030.03714.56
5.3.100.0030.05313.93
5.3.90.0000.04014.04
5.3.80.0000.03714.02
5.3.70.0070.03014.07
5.3.60.0030.03714.02
5.3.50.0000.03714.00
5.3.40.0030.03313.92
5.3.30.0030.03313.88
5.3.20.0030.03313.58
5.3.10.0000.03713.67
5.3.00.0000.03713.61
5.2.170.0000.03011.14
5.2.160.0000.03011.23
5.2.150.0030.02711.15
5.2.140.0030.02711.07
5.2.130.0070.02311.25
5.2.120.0030.02711.05
5.2.110.0000.03011.15
5.2.100.0070.02711.03
5.2.90.0000.03011.18
5.2.80.0070.02311.09
5.2.70.0130.02011.18
5.2.60.0000.03710.98
5.2.50.0030.02711.20
5.2.40.0030.02710.98
5.2.30.0030.03710.97
5.2.20.0000.03711.00
5.2.10.0000.03010.75
5.2.00.0000.03710.71
5.1.60.0000.0279.96
5.1.50.0030.0239.92
5.1.40.0070.02010.04
5.1.30.0000.02710.41
5.1.20.0030.02710.39
5.1.10.0000.02710.04
5.1.00.0030.0239.98
5.0.50.0000.0208.57
5.0.40.0000.0338.38
5.0.30.0030.0278.13
5.0.20.0000.0478.26
5.0.10.0030.0178.17
5.0.00.0000.0308.22
4.4.90.0000.0177.88
4.4.80.0000.0177.88
4.4.70.0000.0177.88
4.4.60.0030.0137.88
4.4.50.0000.0137.88
4.4.40.0000.0277.88
4.4.30.0030.0137.88
4.4.20.0030.0137.88
4.4.10.0000.0137.88
4.4.00.0000.0237.88
4.3.110.0000.0137.88
4.3.100.0000.0177.88
4.3.90.0030.0207.88
4.3.80.0000.0407.88
4.3.70.0030.0137.88
4.3.60.0000.0207.88
4.3.50.0000.0377.88
4.3.40.0000.0337.88
4.3.30.0000.0237.88
4.3.20.0000.0377.88
4.3.10.0030.0237.88
4.3.00.0000.0407.88

preferences:
36.32 ms | 401 KiB | 5 Q