3v4l.org

run code in 300+ PHP versions simultaneously
<?php class first { public function getI() { static $a = null; if ($a == null) { $a = new stdClass(); } return $a; } } $f = new first(); $n = $f->getI(); var_export($n); var_export($a);

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)
8.3.60.0110.00416.86
8.3.50.0070.01122.79
8.3.40.0100.00718.61
8.3.30.0100.00318.79
8.3.20.0000.00720.04
8.3.10.0040.00420.33
8.3.00.0090.00019.38
8.2.180.0110.00716.63
8.2.170.0040.01122.96
8.2.160.0070.01120.35
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0050.00226.16
8.2.120.0040.00420.97
8.2.110.0090.00022.14
8.2.100.0000.01117.91
8.2.90.0050.00317.59
8.2.80.0050.00317.97
8.2.70.0060.00317.38
8.2.60.0050.00317.79
8.2.50.0040.00418.07
8.2.40.0090.00018.08
8.2.30.0000.00719.28
8.2.20.0050.00217.81
8.2.10.0040.00417.92
8.2.00.0040.00417.60
8.1.280.0140.00325.92
8.1.270.0050.00323.95
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0000.00922.38
8.1.230.0070.00420.82
8.1.220.0040.00417.78
8.1.210.0030.00918.92
8.1.200.0030.00617.35
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0000.00818.48
8.1.160.0040.00421.92
8.1.150.0070.00018.77
8.1.140.0040.00417.45
8.1.130.0050.00317.78
8.1.120.0040.00417.50
8.1.110.0030.00417.35
8.1.100.0030.00317.38
8.1.90.0040.00417.47
8.1.80.0070.00017.37
8.1.70.0030.00317.43
8.1.60.0060.00317.46
8.1.50.0050.00317.51
8.1.40.0040.00417.51
8.1.30.0040.00417.57
8.1.20.0040.00417.48
8.1.10.0040.00417.55
8.1.00.0050.00317.51
8.0.300.0030.00319.84
8.0.290.0000.00816.63
8.0.280.0040.00418.34
8.0.270.0030.00317.29
8.0.260.0000.00817.23
8.0.250.0070.00016.94
8.0.240.0030.00516.91
8.0.230.0020.00517.04
8.0.220.0000.00716.80
8.0.210.0030.00316.95
8.0.200.0040.00416.89
8.0.190.0030.00416.98
8.0.180.0050.00316.98
8.0.170.0000.00716.99
8.0.160.0000.00816.92
8.0.150.0000.00716.97
8.0.140.0070.00016.78
8.0.130.0050.00313.43
8.0.120.0060.00316.89
8.0.110.0050.00316.86
8.0.100.0040.00416.92
8.0.90.0000.00716.89
8.0.80.0150.00616.88
8.0.70.0040.00416.84
8.0.60.0040.00416.77
8.0.50.0020.00516.79
8.0.30.0080.01217.03
8.0.20.0050.01317.40
8.0.10.0000.00716.94
8.0.00.0120.00616.86
7.4.330.0000.00515.06
7.4.320.0030.00316.57
7.4.300.0030.00316.57
7.4.290.0040.00416.40
7.4.280.0050.00316.48
7.4.270.0030.00316.55
7.4.260.0090.00016.47
7.4.250.0000.00816.54
7.4.240.0040.00416.45
7.4.230.0000.00616.46
7.4.220.0130.00416.70
7.4.210.0080.00616.62
7.4.200.0040.00416.65
7.4.160.0160.00316.68
7.4.150.0190.01617.40
7.4.140.0110.01017.86
7.4.130.0120.00616.63
7.4.120.0120.00516.50
7.4.110.0070.01116.43
7.4.100.0090.00916.66
7.4.90.0090.00916.58
7.4.80.0150.00319.39
7.4.70.0090.00916.56
7.4.60.0070.01016.48
7.4.50.0060.00016.58
7.4.40.0110.00616.65
7.4.30.0120.00416.22
7.4.00.0060.01014.96
7.3.330.0040.00413.27
7.3.320.0060.00013.28
7.3.310.0040.00416.31
7.3.300.0000.00716.29
7.3.290.0030.01016.22
7.3.280.0060.00916.24
7.3.270.0100.01017.40
7.3.260.0100.00616.17
7.3.250.0070.01316.43
7.3.240.0060.01216.25
7.3.230.0090.00916.41
7.3.210.0060.01016.33
7.3.200.0090.01216.21
7.3.190.0060.01616.37
7.3.180.0050.01416.37
7.3.170.0110.01216.30
7.3.160.0130.00316.49
7.3.120.0100.01014.69
7.3.110.0090.00614.94
7.3.100.0090.00414.75
7.3.90.0140.00014.91
7.3.80.0040.00914.84
7.3.70.0030.00714.68
7.3.60.0030.00714.74
7.3.50.0040.01114.64
7.3.40.0040.00714.48
7.3.30.0070.00714.72
7.3.20.0030.00616.69
7.3.10.0070.00716.65
7.3.00.0030.01016.47
7.2.330.0100.00716.58
7.2.320.0100.00616.46
7.2.310.0100.01316.73
7.2.300.0060.01216.56
7.2.290.0130.00416.71
7.2.250.0070.01014.96
7.2.240.0030.01715.14
7.2.230.0070.01014.86
7.2.220.0130.00314.79
7.2.210.0070.01014.83
7.2.200.0080.00614.73
7.2.190.0000.00914.82
7.2.180.0100.00714.60
7.2.170.0130.00615.02
7.2.00.0060.00919.22
7.1.330.0090.00615.70
7.1.320.0000.01015.50
7.1.310.0060.01015.76
7.1.300.0030.01315.45
7.1.290.0130.00315.74
7.1.280.0060.00915.86
7.1.270.0050.00315.68
7.1.260.0070.00715.70
7.1.100.0080.00418.05
7.1.70.0070.00317.11
7.1.60.0150.01119.61
7.1.50.0100.01016.79
7.1.00.0030.07322.33
7.0.200.0000.01116.65
7.0.140.0000.07022.12
7.0.60.0130.06719.91
7.0.50.0100.06717.88
7.0.40.0030.04320.24
7.0.30.0200.05320.24
7.0.20.0330.04320.23
7.0.10.0100.08720.19
7.0.00.0100.08020.10
5.6.280.0070.07020.90
5.6.210.0100.07720.61
5.6.200.0200.06718.16
5.6.190.0070.08020.41
5.6.180.0200.08320.61
5.6.170.0300.05320.62
5.6.160.0070.08720.54
5.6.150.0130.04718.18
5.6.140.0200.06718.28
5.6.130.0070.06018.15
5.6.120.0070.08321.00
5.6.110.0070.08721.11
5.6.100.0130.07320.97
5.6.90.0070.05720.93
5.6.80.0100.07020.38
5.6.70.4270.04020.40
5.5.350.0030.04720.49
5.5.340.0100.08017.97
5.5.330.0030.08720.40
5.5.320.0400.07020.51
5.5.310.0200.07320.34
5.5.300.0100.05718.08
5.5.290.0070.04717.95
5.5.280.0100.06720.90
5.5.270.0030.04020.88
5.5.260.0100.08720.87
5.5.250.0030.06320.68
5.5.240.0270.07320.16
5.4.450.0030.05319.33
5.4.440.0130.04719.20
5.4.430.0130.03719.30
5.4.420.0030.04719.46
5.4.410.0170.03719.41
5.4.400.0200.03319.00
5.4.390.0130.04719.09
5.4.380.0230.05318.78
5.4.370.0470.06718.45
5.4.360.0400.05018.46
5.4.350.0300.05318.79
5.4.340.0270.05318.71
5.4.320.0050.05012.50
5.4.310.0070.04112.50
5.4.300.0040.04212.50
5.4.290.0040.03912.50
5.4.280.0060.03612.39
5.4.270.0060.04212.39
5.4.260.0050.03712.39
5.4.250.0090.03912.40
5.4.240.0050.04712.39
5.4.230.0100.04512.39
5.4.220.0070.04312.38
5.4.210.0050.04012.39
5.4.200.0030.04312.38
5.4.190.0050.03812.38
5.4.180.0050.03912.38
5.4.170.0080.04412.39
5.4.160.0070.03612.39
5.4.150.0060.03512.39
5.4.140.0050.03712.07
5.4.130.0060.03512.06
5.4.120.0040.03612.01
5.4.110.0080.03312.01
5.4.100.0050.03512.02
5.4.90.0080.03412.02
5.4.80.0080.03412.01
5.4.70.0040.03612.00
5.4.60.0090.03112.01
5.4.50.0070.03312.01
5.4.40.0080.03212.00
5.4.30.0080.03311.99
5.4.20.0090.04112.00
5.4.10.0060.04711.99
5.4.00.0050.03611.48
5.3.290.0090.04512.80
5.3.280.0110.03612.71
5.3.270.0070.04212.73
5.3.260.0050.04712.71
5.3.250.0090.03712.72
5.3.240.0080.04212.72
5.3.230.0050.03912.71
5.3.220.0080.03612.68
5.3.210.0060.04112.68
5.3.200.0070.03812.68
5.3.190.0050.04012.68
5.3.180.0130.04712.67
5.3.170.0120.03312.67
5.3.160.0070.04612.67
5.3.150.0110.04112.67
5.3.140.0070.03712.66
5.3.130.0090.04412.66
5.3.120.0120.04212.65
5.3.110.0080.04912.65
5.3.100.0070.04112.12
5.3.90.0080.03812.09
5.3.80.0090.04412.09
5.3.70.0060.03712.09
5.3.60.0090.03312.09
5.3.50.0100.03112.03
5.3.40.0070.03512.02
5.3.30.0040.03711.98
5.3.20.0070.03411.76
5.3.10.0060.03411.73
5.3.00.0090.03211.72
5.2.170.0060.0329.22
5.2.160.0040.0339.22
5.2.150.0050.0319.21
5.2.140.0060.0359.21
5.2.130.0100.0259.18
5.2.120.0050.0359.18
5.2.110.0060.0329.18
5.2.100.0060.0299.18
5.2.90.0060.0299.17
5.2.80.0080.0339.17
5.2.70.0090.0289.17
5.2.60.0050.0309.13
5.2.50.0020.0379.09
5.2.40.0030.0319.07
5.2.30.0080.0349.04
5.2.20.0070.0359.03
5.2.10.0090.0278.94
5.2.00.0060.0358.80
5.1.60.0050.0348.09
5.1.50.0050.0308.09
5.1.40.0030.0278.06
5.1.30.0090.0278.41
5.1.20.0070.0278.44
5.1.10.0060.0358.16
5.1.00.0030.0278.16
5.0.50.0040.0206.64
5.0.40.0030.0236.50
5.0.30.0050.0386.31
5.0.20.0060.0296.28
5.0.10.0030.0226.26
5.0.00.0060.0356.25
4.4.90.0010.0214.78
4.4.80.0010.0174.76
4.4.70.0040.0144.75
4.4.60.0050.0134.76
4.4.50.0040.0144.77
4.4.40.0030.0244.71
4.4.30.0060.0134.76
4.4.20.0050.0134.84
4.4.10.0030.0154.85
4.4.00.0000.0314.76
4.3.110.0030.0154.67
4.3.100.0020.0184.66
4.3.90.0050.0174.63
4.3.80.0040.0284.58
4.3.70.0040.0184.63
4.3.60.0040.0144.63
4.3.50.0030.0214.63
4.3.40.0040.0224.54
4.3.30.0020.0163.30
4.3.20.0000.0203.28
4.3.10.0010.0173.24
4.3.00.0030.01318.16

preferences:
47.11 ms | 401 KiB | 5 Q