3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { public $count = 4; public function getNext() { if (!$this->count) { return null; } --$this->count; return 'next'; } } $a = new Test(); for ($i = 0; $i < 10; $i++) { var_dump($a->count); var_dump($a->getNext() ?: 'none'); }

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)
8.3.60.0070.01118.30
8.3.50.0070.01022.07
8.3.40.0070.00718.67
8.3.30.0030.01019.07
8.3.20.0040.00420.29
8.3.10.0040.00421.98
8.3.00.0050.00322.52
8.2.180.0120.00316.48
8.2.170.0130.00722.96
8.2.160.0040.01520.90
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0030.00617.75
8.2.110.0080.00022.08
8.2.100.0080.00317.91
8.2.90.0040.00419.30
8.2.80.0000.00817.97
8.2.70.0080.00017.50
8.2.60.0030.00617.93
8.2.50.0050.00318.07
8.2.40.0040.00418.34
8.2.30.0070.00018.13
8.2.20.0000.00717.61
8.2.10.0000.00819.51
8.2.00.0030.00517.68
8.1.280.0100.01025.92
8.1.270.0120.00323.76
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00323.91
8.1.230.0060.00619.06
8.1.220.0000.00817.77
8.1.210.0050.00318.77
8.1.200.0030.00617.13
8.1.190.0050.00317.43
8.1.180.0080.00018.10
8.1.170.0050.00318.50
8.1.160.0000.00722.01
8.1.150.0040.00418.57
8.1.140.0000.00917.38
8.1.130.0030.00317.84
8.1.120.0030.00517.38
8.1.110.0000.00717.45
8.1.100.0080.00017.48
8.1.90.0040.00417.33
8.1.80.0000.00817.53
8.1.70.0030.00317.38
8.1.60.0000.00817.66
8.1.50.0050.00217.54
8.1.40.0000.00817.51
8.1.30.0000.00817.61
8.1.20.0000.00917.57
8.1.10.0040.00417.48
8.1.00.0050.00217.50
8.0.300.0000.00718.77
8.0.290.0000.00717.05
8.0.280.0070.00018.45
8.0.270.0040.00417.32
8.0.260.0060.00016.78
8.0.250.0030.00316.96
8.0.240.0070.00016.85
8.0.230.0030.00316.96
8.0.220.0040.00416.81
8.0.210.0030.00316.79
8.0.200.0050.00316.82
8.0.190.0060.00316.83
8.0.180.0070.00316.89
8.0.170.0030.00516.95
8.0.160.0000.00716.89
8.0.150.0040.00416.89
8.0.140.0050.00316.83
8.0.130.0040.00413.32
8.0.120.0070.00016.86
8.0.110.0000.00916.89
8.0.100.0040.00416.83
8.0.90.0000.00816.92
8.0.80.0080.00816.87
8.0.70.0000.00716.85
8.0.60.0000.00716.75
8.0.50.0030.00516.75
8.0.30.0100.00917.04
8.0.20.0080.01217.40
8.0.10.0040.00417.06
8.0.00.0100.00816.64
7.4.330.0000.00515.00
7.4.320.0040.00416.62
7.4.300.0030.00316.61
7.4.290.0030.00316.64
7.4.280.0030.00516.39
7.4.270.0080.00016.50
7.4.260.0080.00016.44
7.4.250.0000.00716.50
7.4.240.0040.00416.60
7.4.230.0030.00316.55
7.4.220.0090.01216.67
7.4.210.0090.01016.58
7.4.200.0030.00316.42
7.4.190.0040.00416.70
7.4.160.0100.00616.58
7.4.150.0110.00617.40
7.4.140.0090.00817.86
7.4.130.0160.00716.40
7.4.120.0070.01116.64
7.4.110.0100.00716.56
7.4.100.0130.00316.61
7.4.90.0150.00316.40
7.4.80.0150.00319.39
7.4.70.0080.00816.43
7.4.60.0100.00716.37
7.4.50.0000.00816.36
7.4.40.0100.00622.77
7.4.30.0090.00916.67
7.4.00.0100.00714.98
7.3.330.0030.00313.11
7.3.320.0000.00513.25
7.3.310.0040.00416.33
7.3.300.0000.00616.30
7.3.290.0040.01116.37
7.3.280.0110.00516.30
7.3.270.0100.01017.40
7.3.260.0110.00716.42
7.3.250.0190.00316.45
7.3.240.0110.00716.36
7.3.230.0060.01116.62
7.3.210.0040.01216.54
7.3.200.0120.00619.39
7.3.190.0070.01516.67
7.3.180.0080.00816.58
7.3.170.0140.00416.45
7.3.160.0150.00616.38
7.3.120.0000.01014.71
7.2.330.0080.00816.52
7.2.320.0130.00816.63
7.2.310.0060.01116.57
7.2.300.0060.01116.63
7.2.290.0070.01016.59
7.2.00.0070.00719.32
7.1.100.0060.00318.26
7.1.70.0000.01017.02
7.1.60.0030.01319.82
7.1.50.0100.01316.83
7.1.00.0030.07722.32
7.0.200.0070.00716.93
7.0.140.0030.07322.00
7.0.60.0070.06319.91
7.0.50.0070.03717.81
7.0.40.0130.03720.11
7.0.30.0170.05020.16
7.0.20.0230.08320.19
7.0.10.0370.07020.16
7.0.00.0000.05720.05
5.6.280.0030.07020.91
5.6.210.0130.08020.47
5.6.200.0000.05318.29
5.6.190.0070.04720.63
5.6.180.0030.08320.46
5.6.170.0370.07720.56
5.6.160.0170.04020.62
5.6.150.0130.06718.15
5.6.140.0000.04318.14
5.6.130.0070.07018.12
5.6.120.0000.04721.14
5.6.110.0100.07720.96
5.6.100.0100.08020.98
5.6.90.0030.05020.98
5.6.80.0000.09020.37
5.6.70.0300.07320.43
5.5.350.0070.07320.41
5.5.340.0030.04718.09
5.5.330.0100.04720.46
5.5.320.0270.03720.51
5.5.310.0270.05320.30
5.5.300.0030.04717.97
5.5.290.0100.03318.01
5.5.280.0130.08020.65
5.5.270.0230.07020.79
5.5.260.0000.08720.79
5.5.250.0170.06720.76
5.5.240.0070.07720.12
5.4.450.0300.03719.49
5.4.440.0830.04319.55
5.4.430.0730.03719.41
5.4.420.0400.05019.54
5.4.410.0130.05019.00
5.4.400.0100.05018.51
5.4.390.0100.05018.74
5.4.380.0070.06318.56
5.4.370.0270.04718.55
5.4.360.0270.04318.74
5.4.350.0330.04318.56
5.4.340.0230.05018.83
5.4.320.0070.03812.50
5.4.310.0040.04112.50
5.4.300.0070.03512.50
5.4.290.0050.03912.50
5.4.280.0060.03612.39
5.4.270.0070.03612.37
5.4.260.0130.04912.36
5.4.250.0080.03612.37
5.4.240.0050.03712.37
5.4.230.0050.04512.36
5.4.220.0090.03512.36
5.4.210.0070.03712.36
5.4.200.0110.03612.35
5.4.190.0100.05212.36
5.4.180.0090.03612.35
5.4.170.0040.04212.36
5.4.160.0070.03712.36
5.4.150.0050.03912.35
5.4.140.0090.03812.04
5.4.130.0070.03412.02
5.4.120.0050.03511.98
5.4.110.0020.03911.98
5.4.100.0040.03611.98
5.4.90.0060.03711.98
5.4.80.0050.03711.98
5.4.70.0030.03811.97
5.4.60.0060.03511.98
5.4.50.0080.03211.97
5.4.40.0060.03711.96
5.4.30.0070.03511.96
5.4.20.0030.03911.96
5.4.10.0050.03411.96
5.4.00.0050.03611.45
5.3.290.0080.03912.80
5.3.280.0070.03612.71
5.3.270.0060.04112.72
5.3.260.0080.03712.72
5.3.250.0080.03712.72
5.3.240.0060.03812.72
5.3.230.0080.03612.71
5.3.220.0050.03812.68
5.3.210.0050.04012.68
5.3.200.0100.04712.68
5.3.190.0070.05012.68
5.3.180.0080.04912.67
5.3.170.0160.07412.66
5.3.160.0100.04712.68
5.3.150.0090.03912.67
5.3.140.0060.04112.66
5.3.130.0080.03712.66
5.3.120.0070.03812.66
5.3.110.0040.04312.66
5.3.100.0060.04612.12
5.3.90.0060.03812.09
5.3.80.0050.03812.08
5.3.70.0060.04012.07
5.3.60.0040.03912.07
5.3.50.0070.03512.00
5.3.40.0040.04112.00
5.3.30.0090.03511.95
5.3.20.0060.03811.73
5.3.10.0060.03811.69
5.3.00.0060.03811.68
5.2.170.0040.0319.18
5.2.160.0040.0299.18
5.2.150.0080.0369.18
5.2.140.0050.0309.18
5.2.130.0050.0299.14
5.2.120.0040.0329.13
5.2.110.0100.0239.14
5.2.100.0030.0309.14
5.2.90.0020.0319.14
5.2.80.0080.0289.14
5.2.70.0050.0379.13
5.2.60.0020.0349.09
5.2.50.0080.0309.06
5.2.40.0060.0279.03
5.2.30.0050.0319.01
5.2.20.0080.0259.01
5.2.10.0080.0258.92
5.2.00.0070.0278.77
5.1.60.0060.0228.05
5.1.50.0040.0268.05
5.1.40.0020.0268.05
5.1.30.0060.0238.39
5.1.20.0030.0278.42
5.1.10.0020.0308.14
5.1.00.0040.0268.13
5.0.50.0030.0226.61
5.0.40.0030.0196.48
5.0.30.0040.0316.29
5.0.20.0010.0216.26
5.0.10.0050.0216.23
5.0.00.0020.0316.23
4.4.90.0030.0154.78
4.4.80.0030.0154.76
4.4.70.0030.0154.75
4.4.60.0030.0164.76
4.4.50.0020.0164.77
4.4.40.0040.0234.71
4.4.30.0030.0154.76
4.4.20.0020.0164.84
4.4.10.0040.0154.85
4.4.00.0030.0264.76
4.3.110.0010.0174.67
4.3.100.0010.0164.66
4.3.90.0030.0144.64
4.3.80.0020.0244.59
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0030.0154.63
4.3.40.0030.0234.54
4.3.30.0020.0213.29
4.3.20.0030.0153.27
4.3.10.0030.0203.23
4.3.00.0030.01315.10

preferences:
49.48 ms | 401 KiB | 5 Q