3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $a; public function __construct(){ echo('Very well!'); $this->a = 'X'; } public function e(){ $a = function(){ var_dump($this); echo('OK'); }; $a(); } } $x = new A; $x->e();

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)
8.3.60.0150.00618.46
8.3.50.0150.00722.12
8.3.40.0110.00418.80
8.3.30.0100.00319.13
8.3.20.0090.00020.33
8.3.10.0040.00421.95
8.3.00.0040.00422.51
8.2.180.0060.01218.30
8.2.170.0090.01222.96
8.2.160.0080.00820.29
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0150.00026.16
8.2.120.0080.00019.23
8.2.110.0060.00322.09
8.2.100.0030.00917.74
8.2.90.0000.00818.94
8.2.80.0000.00818.04
8.2.70.0040.00417.50
8.2.60.0090.00018.03
8.2.50.0040.00418.07
8.2.40.0060.00318.03
8.2.30.0000.00717.98
8.2.20.0040.00417.64
8.2.10.0040.00419.45
8.2.00.0070.00317.55
8.1.280.0110.01125.92
8.1.270.0040.00422.19
8.1.260.0110.00426.35
8.1.250.0100.01028.09
8.1.240.0060.00323.79
8.1.230.0070.00419.11
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0030.00617.35
8.1.190.0050.00317.41
8.1.180.0080.00018.10
8.1.170.0040.00418.52
8.1.160.0080.00021.89
8.1.150.0000.00718.51
8.1.140.0040.00417.36
8.1.130.0000.00817.73
8.1.120.0000.00817.47
8.1.110.0040.00417.41
8.1.100.0000.00717.46
8.1.90.0050.00317.41
8.1.80.0000.00717.45
8.1.70.0000.00717.40
8.1.60.0080.00017.58
8.1.50.0050.00517.50
8.1.40.0000.00717.57
8.1.30.0080.00017.68
8.1.20.0060.00317.59
8.1.10.0000.00717.42
8.1.00.0000.00817.49
8.0.300.0000.00718.77
8.0.290.0040.00417.18
8.0.280.0040.00418.42
8.0.270.0000.00717.30
8.0.260.0030.00316.80
8.0.250.0040.00416.78
8.0.240.0000.00816.73
8.0.230.0000.00716.98
8.0.220.0040.00416.79
8.0.210.0040.00416.81
8.0.200.0060.00017.04
8.0.190.0040.00416.93
8.0.180.0040.00416.89
8.0.170.0030.00616.95
8.0.160.0000.00716.95
8.0.150.0030.00316.84
8.0.140.0060.00316.75
8.0.130.0050.00013.35
8.0.120.0050.00316.90
8.0.110.0040.00416.88
8.0.100.0070.00016.78
8.0.90.0000.00716.83
8.0.80.0120.01016.88
8.0.70.0000.00816.82
8.0.60.0070.00016.95
8.0.50.0000.00816.82
8.0.30.0100.00917.04
8.0.20.0090.01117.40
8.0.10.0070.00016.88
8.0.00.0090.01316.88
7.4.330.0000.00515.00
7.4.320.0060.00016.60
7.4.300.0060.00016.59
7.4.290.0070.00016.59
7.4.280.0060.00016.43
7.4.270.0030.00316.57
7.4.260.0030.00316.58
7.4.250.0000.00716.54
7.4.240.0010.00616.59
7.4.230.0030.00316.67
7.4.220.0080.01516.68
7.4.210.0090.00816.43
7.4.200.0080.00016.40
7.4.190.0050.00216.57
7.4.160.0080.00816.70
7.4.150.0090.00917.40
7.4.140.0130.00617.86
7.4.130.0090.00916.45
7.4.120.0080.00916.51
7.4.110.0150.00916.63
7.4.100.0110.00616.47
7.4.90.0120.00616.28
7.4.80.0090.01216.53
7.4.70.0100.00616.56
7.4.60.0060.01016.63
7.4.50.0050.00016.41
7.4.40.0070.00722.77
7.4.30.0090.00916.41
7.4.00.0030.00714.98
7.3.330.0030.00313.29
7.3.320.0030.00313.27
7.3.310.0030.00316.20
7.3.300.0070.00016.30
7.3.290.0190.00016.26
7.3.280.0080.00916.28
7.3.270.0120.00617.40
7.3.260.0140.01116.48
7.3.250.0120.00916.32
7.3.240.0080.00816.33
7.3.230.0040.01316.39
7.3.210.0030.01316.52
7.3.200.0060.01719.39
7.3.190.0130.01016.50
7.3.180.0100.00616.22
7.3.170.0090.00616.50
7.3.160.0090.01216.20
7.3.120.0090.00614.89
7.3.10.0060.00816.57
7.3.00.0050.00916.69
7.2.330.0130.01216.44
7.2.320.0060.01616.51
7.2.310.0130.00416.80
7.2.300.0120.01216.57
7.2.290.0060.00916.80
7.2.130.0050.00916.87
7.2.120.0080.00716.85
7.2.110.0040.00916.99
7.2.100.0030.00716.80
7.2.90.0050.00716.92
7.2.80.0110.00616.98
7.2.70.0070.00416.94
7.2.60.0060.00917.05
7.2.50.0070.00616.80
7.2.40.0050.00816.78
7.2.30.0040.01016.68
7.2.20.0050.01017.04
7.2.10.0070.01016.87
7.2.00.0070.00517.83
7.1.250.0110.00215.65
7.1.100.0070.01017.79
7.1.70.0030.00617.13
7.1.60.0000.01417.11
7.1.50.0060.01616.48
7.1.00.0100.07022.45
7.0.200.0070.00316.82
7.0.140.0030.06321.95
7.0.70.0130.05321.78
7.0.60.0100.04321.77
7.0.50.0000.08722.04
7.0.40.0030.08020.13
7.0.30.0000.08320.07
7.0.20.0030.04020.14
7.0.10.0030.05720.11
7.0.00.0000.06320.07
5.6.280.0030.07021.05
5.6.220.0030.08020.66
5.6.210.0030.08320.61
5.6.200.0000.07721.18
5.6.190.0070.06720.96
5.6.180.0030.06321.18
5.6.170.0070.04021.05
5.6.160.0030.06721.07
5.6.150.0000.04721.04
5.6.140.0030.06020.96
5.6.130.0000.04721.09
5.6.120.0000.04321.04
5.6.110.0000.07021.09
5.6.100.0030.04021.03
5.6.90.0030.06021.09
5.6.80.0030.05720.40
5.6.70.0000.04020.46
5.6.60.0000.04320.55
5.6.50.0000.04020.45
5.6.40.0000.04020.29
5.6.30.0000.03320.37
5.6.20.0070.03020.41
5.6.10.0000.06720.41
5.6.00.0030.04020.36
5.5.360.0000.08720.35
5.5.350.0000.08020.35
5.5.340.0070.08320.94
5.5.330.0030.06720.77
5.5.320.0000.05720.65
5.5.310.0070.07320.87
5.5.300.0070.03720.80
5.5.290.0000.04320.81
5.5.280.0000.04320.77
5.5.270.0100.03720.86
5.5.260.0000.05020.75
5.5.250.0000.04320.71
5.5.240.0030.05320.15
5.5.230.0000.07320.20
5.5.220.0030.03720.25
5.5.210.0030.04020.03
5.5.200.0070.03320.00
5.5.190.0000.04020.19
5.5.180.0030.03320.23
5.5.160.0100.02720.26
5.5.150.0000.05020.17
5.5.140.0000.04020.25
5.5.130.0000.06320.16
5.5.120.0030.04320.08
5.5.110.0000.04020.23
5.5.100.0030.05320.08
5.5.90.0000.04720.15
5.5.80.0070.03319.97
5.5.70.0000.07719.99
5.5.60.0070.03320.07
5.5.50.0000.06320.14
5.5.40.0000.03320.13
5.5.30.0030.03020.08
5.5.20.0070.03320.04
5.5.10.0000.04020.03
5.5.00.0030.03019.96
5.4.450.0000.04019.45
5.4.440.0000.04019.48
5.4.430.0000.04019.36
5.4.420.0030.06719.47
5.4.410.0000.08019.41
5.4.400.0070.07319.16
5.4.390.0100.03319.14
5.4.380.0030.03718.90
5.4.370.0000.04319.12
5.4.360.0030.03719.13
5.4.350.0000.03719.04
5.4.340.0000.04019.14
5.4.320.0000.04019.12
5.4.310.0030.03718.90
5.4.300.0070.03019.11
5.4.290.0070.04019.12
5.4.280.0000.05319.16
5.4.270.0000.04019.23
5.4.260.0000.06719.02
5.4.250.0070.02719.12
5.4.240.0030.04019.18
5.4.230.0030.03018.86
5.4.220.0030.03719.17
5.4.210.0030.03019.12
5.4.200.0000.05719.12
5.4.190.0000.03719.22
5.4.180.0000.03718.89
5.4.170.0000.03718.86
5.4.160.0030.03319.18
5.4.150.0000.06718.86
5.4.140.0000.04316.41
5.4.130.0000.03016.50
5.4.120.0070.04016.39
5.4.110.0070.06716.43
5.4.100.0000.07316.52
5.4.90.0030.07316.52
5.4.80.0070.04316.54
5.4.70.0030.04316.31
5.4.60.0070.03316.30
5.4.50.0070.05716.48
5.4.40.0070.04016.51
5.4.30.0000.04716.42
5.4.20.0070.07016.46
5.4.10.0030.08016.45
5.4.00.0030.04315.79
5.3.290.0000.03314.65
5.3.280.0100.02314.66
5.3.270.0030.03314.56
5.3.260.0000.03314.56
5.3.250.0000.07714.54
5.3.240.0000.03714.71
5.3.230.0030.03714.70
5.3.220.0100.06714.64
5.3.210.0000.05314.57
5.3.200.0070.07014.59
5.3.190.0000.04314.62
5.3.180.0000.06314.60
5.3.170.0100.07314.68
5.3.160.0000.04014.55
5.3.150.0030.06314.54
5.3.140.0000.05714.52
5.3.130.0000.07714.55
5.3.120.0030.07714.66
5.3.110.0030.05014.52
5.3.100.0070.06714.03
5.3.90.0070.07014.03
5.3.80.0030.07314.00
5.3.70.0030.05714.00
5.3.60.0070.07314.02
5.3.50.0030.04013.98
5.3.40.0070.07313.99
5.3.30.0070.05013.91
5.3.20.0030.05013.81
5.3.10.0000.06013.77
5.3.00.0030.07313.63
5.2.170.0000.06712.23
5.2.160.0070.05712.23
5.2.150.0070.03312.23
5.2.140.0030.05712.23
5.2.130.0000.05712.23
5.2.120.0030.06012.23
5.2.110.0000.06312.23
5.2.100.0030.04712.23
5.2.90.0030.06012.23
5.2.80.0030.03712.23
5.2.70.0000.03012.23
5.2.60.0030.06012.23
5.2.50.0070.06312.23
5.2.40.0030.04712.23
5.2.30.0030.06312.23
5.2.20.0000.06312.23
5.2.10.0030.06012.23
5.2.00.0070.06012.23
5.1.60.0070.03712.23
5.1.50.0030.04012.23
5.1.40.0030.03012.23
5.1.30.0070.05712.23
5.1.20.0070.05712.23
5.1.10.0030.05012.23
5.1.00.0030.05012.23
5.0.50.0030.04312.23
5.0.40.0000.04012.23
5.0.30.0000.06012.23
5.0.20.0030.04012.23
5.0.10.0030.04012.23
5.0.00.0070.05712.23
4.4.90.0030.03312.23
4.4.80.0000.04012.23
4.4.70.0000.03012.23
4.4.60.0030.03012.23
4.4.50.0030.03312.23
4.4.40.0000.05712.23
4.4.30.0030.03312.23
4.4.20.0030.03012.23
4.4.10.0000.02312.23
4.4.00.0000.03712.23
4.3.110.0000.02312.23
4.3.100.0000.03712.23
4.3.90.0070.02312.23
4.3.80.0030.05012.23
4.3.70.0000.03712.23
4.3.60.0000.03712.23
4.3.50.0030.02712.23
4.3.40.0000.05012.23
4.3.30.0000.02012.23
4.3.20.0000.02012.23
4.3.10.0000.03712.23
4.3.00.0000.03712.23

preferences:
48.09 ms | 401 KiB | 5 Q