3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo count(array()); echo count(false); echo count(null); $ducks = 'awesome'; echo count($ducks);

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)
8.3.40.0070.01418.85
8.3.30.0100.00320.21
8.3.20.0050.00318.60
8.3.10.0000.00721.09
8.3.00.0000.00723.66
8.2.170.0070.00722.96
8.2.160.0090.00920.52
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0050.00326.16
8.2.120.0080.00020.50
8.2.110.0090.00022.07
8.2.100.0060.00617.72
8.2.90.0050.00319.13
8.2.80.0030.00619.34
8.2.70.0040.00417.50
8.2.60.0000.00917.80
8.2.50.0050.00318.07
8.2.40.0040.00417.92
8.2.30.0040.00419.30
8.2.20.0030.00517.71
8.2.10.0040.00417.56
8.2.00.0000.00717.57
8.1.270.0000.00723.99
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0050.00522.53
8.1.230.0070.00420.95
8.1.220.0050.00318.77
8.1.210.0050.00318.85
8.1.200.0030.00817.13
8.1.190.0040.00417.41
8.1.180.0080.00018.10
8.1.170.0040.00418.47
8.1.160.0050.00218.75
8.1.150.0040.00418.38
8.1.140.0000.00717.31
8.1.130.0030.00317.75
8.1.120.0000.00717.23
8.1.110.0050.00317.34
8.1.100.0000.00717.27
8.1.90.0000.00717.17
8.1.80.0000.00817.24
8.1.70.0040.00417.25
8.1.60.0000.00817.47
8.1.50.0030.00617.29
8.1.40.0000.00817.46
8.1.30.0020.00517.50
8.1.20.0000.00817.59
8.1.10.0040.00417.52
8.1.00.0000.00817.46
8.0.300.0030.00619.86
8.0.290.0040.00417.18
8.0.280.0070.00018.35
8.0.270.0000.00717.36
8.0.260.0030.00316.83
8.0.250.0000.00717.00
8.0.240.0080.00216.97
8.0.230.0030.00616.91
8.0.220.0030.00316.85
8.0.210.0070.00016.77
8.0.200.0070.00016.85
8.0.190.0030.00616.84
8.0.180.0050.00316.85
8.0.170.0000.00816.80
8.0.160.0040.00416.96
8.0.150.0040.00416.83
8.0.140.0100.00016.84
8.0.130.0030.00313.30
8.0.120.0040.00416.77
8.0.110.0070.00016.68
8.0.100.0040.00416.72
8.0.90.0030.00516.95
8.0.80.0060.01516.91
8.0.70.0070.00016.82
8.0.60.0040.00416.73
8.0.50.0050.00216.88
8.0.30.0080.01117.03
8.0.20.0050.01417.40
8.0.10.0000.00717.01
8.0.00.0080.01516.65
7.4.330.0030.00314.98
7.4.320.0030.00316.47
7.4.300.0030.00316.59
7.4.290.0000.00616.53
7.4.280.0040.00416.56
7.4.270.0100.00016.45
7.4.260.0030.00313.27
7.4.250.0020.00516.36
7.4.240.0040.00416.55
7.4.230.0040.00416.40
7.4.220.0090.01216.49
7.4.210.0050.01116.52
7.4.200.0070.00016.62
7.4.190.0030.00316.59
7.4.160.0070.00716.49
7.4.150.0100.01317.40
7.4.140.0120.00717.86
7.4.130.0090.01016.66
7.4.120.0090.00916.50
7.4.110.0140.00416.52
7.4.100.0140.00616.38
7.4.90.0110.00716.57
7.4.80.0080.00819.39
7.4.70.0160.00016.64
7.4.60.0090.00616.46
7.4.50.0000.00816.52
7.4.40.0000.01822.77
7.4.30.0160.00616.49
7.4.00.0050.01314.96
7.3.330.0050.00013.17
7.3.320.0000.00513.11
7.3.310.0030.00316.12
7.3.300.0040.00416.33
7.3.290.0110.00416.25
7.3.280.0100.00616.22
7.3.270.0110.00617.40
7.3.260.0100.00918.24
7.3.250.0090.00816.26
7.3.240.0060.01116.39
7.3.230.0130.00616.39
7.3.210.0160.00616.32
7.3.200.0160.00719.39
7.3.190.0030.01416.42
7.3.180.0040.01316.45
7.3.170.0100.01016.37
7.3.160.0090.00616.38
7.3.120.0070.01014.88
7.3.110.0060.01214.97
7.3.100.0060.00914.98
7.3.90.0000.01914.78
7.3.80.0050.01014.96
7.3.70.0030.00914.68
7.3.60.0080.00714.63
7.3.50.0080.00714.78
7.3.40.0060.00814.77
7.3.30.0050.00914.70
7.3.20.0060.00916.67
7.3.10.0080.00516.62
7.3.00.0070.00716.58
7.2.330.0150.00316.65
7.2.320.0070.01016.54
7.2.310.0070.01416.66
7.2.300.0080.00816.40
7.2.290.0060.01016.39
7.2.250.0070.01015.17
7.2.240.0120.00514.88
7.2.230.0080.00614.94
7.2.220.0110.00514.91
7.2.210.0060.00814.97
7.2.200.0070.00814.87
7.2.190.0070.00915.13
7.2.180.0090.00614.98
7.2.170.0060.00814.94
7.2.60.0000.01717.01
7.2.00.0140.00419.46
7.1.330.0080.00715.76
7.1.320.0060.00615.61
7.1.310.0060.00615.71
7.1.300.0050.00715.63
7.1.290.0080.00615.67
7.1.280.0050.00815.73
7.1.270.0030.01115.80
7.1.260.0020.00915.81
7.1.200.0030.01015.93
7.1.100.0000.01117.96
7.1.70.0020.00516.80
7.1.60.0040.01919.17
7.1.50.0100.01316.65
7.1.00.0070.07022.54
7.0.200.0100.00016.81
7.0.140.0070.07021.99
7.0.80.0500.07720.11
7.0.70.0470.08319.84
7.0.60.0530.08019.95
7.0.50.0500.08020.30
7.0.40.0030.08320.11
7.0.30.0100.08720.19
7.0.20.0130.08320.00
7.0.10.0100.08020.14
7.0.00.0130.07720.07
5.6.280.0130.06321.12
5.6.230.0170.05720.65
5.6.220.0070.08720.64
5.6.210.0130.07720.73
5.6.200.0030.05721.00
5.6.190.0030.08321.13
5.6.180.0070.08321.02
5.6.170.0100.08321.13
5.6.160.0130.07021.10
5.6.150.0100.08021.03
5.6.140.0070.08721.02
5.6.130.0100.08020.99
5.6.120.0100.07721.07
5.6.110.0230.07020.91
5.6.100.0170.05021.08
5.6.90.0070.07321.11
5.6.80.0100.06720.46
5.6.70.0070.08020.54
5.6.60.0230.05720.30
5.6.50.0030.04020.39
5.6.40.0030.08320.35
5.6.30.0130.07320.38
5.6.20.0070.07720.30
5.6.10.0100.04320.39
5.6.00.0070.05320.41
5.5.370.0130.05320.41
5.5.360.0070.08720.55
5.5.350.0030.08020.41
5.5.340.0070.05020.86
5.5.330.0070.04720.64
5.5.320.0100.03720.82
5.5.310.0200.06320.87
5.5.300.0100.04020.90
5.5.290.0130.07720.89
5.5.280.0030.06320.91
5.5.270.0030.08320.82
5.5.260.0170.07320.63
5.5.250.0100.06720.64
5.5.240.0170.08320.11
5.5.230.0070.04320.16
5.5.220.0130.03720.30
5.5.210.0100.07720.27
5.5.200.0030.07720.11
5.5.190.0100.08020.08
5.5.180.0100.07720.26
5.5.160.0000.09020.12
5.5.150.0030.08720.21
5.5.140.0100.06320.14
5.5.130.0100.05320.22
5.5.120.0030.06320.23
5.5.110.0070.06020.23
5.5.100.0070.08020.07
5.5.90.0100.07320.03
5.5.80.0170.06720.06
5.5.70.0170.06719.93
5.5.60.0130.05320.15
5.5.50.0030.07319.92
5.5.40.0170.05720.07
5.5.30.0130.05720.02
5.5.20.0070.07720.08
5.5.10.0200.06720.03
5.5.00.0100.07320.16
5.4.450.0030.05319.27
5.4.440.0130.06719.56
5.4.430.0130.06319.38
5.4.420.0070.05019.13
5.4.410.0170.06719.23
5.4.400.0130.05019.23
5.4.390.0130.06719.10
5.4.380.0100.07018.78
5.4.370.0100.03719.10
5.4.360.0200.06019.14
5.4.350.0100.04318.90
5.4.340.0030.06318.91
5.4.320.0070.07719.04
5.4.310.0100.04318.95
5.4.300.0100.06719.03
5.4.290.0100.08018.78
5.4.280.0030.05019.01
5.4.270.0170.07019.23
5.4.260.0070.05019.21
5.4.250.0070.07718.81
5.4.240.0100.05019.09
5.4.230.0100.07319.12
5.4.220.0100.04719.13
5.4.210.0070.07719.11
5.4.200.0030.08319.22
5.4.190.0100.07719.11
5.4.180.0030.08019.12
5.4.170.0070.07319.03
5.4.160.0000.05019.05
5.4.150.0130.07019.00
5.4.140.0100.04716.35
5.4.130.0130.06016.27
5.4.120.0000.08316.27
5.4.110.0070.07316.42
5.4.100.0070.07716.32
5.4.90.0100.06316.30
5.4.80.0100.06316.31
5.4.70.0100.07016.20
5.4.60.0030.06716.25
5.4.50.0100.03716.24
5.4.40.0100.05016.28
5.4.30.0130.06016.40
5.4.20.0030.05016.23
5.4.10.0100.04016.18
5.4.00.0130.06715.83
5.3.290.0030.08014.62
5.3.280.0030.07014.44
5.3.270.0100.07314.46
5.3.260.0100.04314.51
5.3.250.0130.07014.51
5.3.240.0070.07314.56
5.3.230.0070.06014.58
5.3.220.0130.07014.42
5.3.210.0100.07314.50
5.3.200.0070.04014.39
5.3.190.0070.08014.50
5.3.180.0130.07314.46
5.3.170.0100.07314.51
5.3.160.0030.07714.41
5.3.150.0000.07314.50
5.3.140.0100.07714.50
5.3.130.0130.03714.55
5.3.120.0130.06714.36
5.3.110.0100.07314.53
5.3.100.0170.06314.01
5.3.90.0100.03713.85
5.3.80.0070.03713.96
5.3.70.0070.03713.92
5.3.60.0030.04013.95
5.3.50.0030.04013.93
5.3.40.0070.06013.90
5.3.30.0000.08013.86
5.3.20.0030.07013.55
5.3.10.0100.07013.42
5.3.00.0070.06713.57
5.2.170.0100.02711.71
5.2.160.0030.03311.71
5.2.150.0070.05711.71
5.2.140.0000.03311.71
5.2.130.0030.06711.71
5.2.120.0030.04011.71
5.2.110.0030.06311.71
5.2.100.0070.06011.71
5.2.90.0030.04711.71
5.2.80.0030.06011.71
5.2.70.0070.06311.71
5.2.60.0070.06011.71
5.2.50.0030.06011.71
5.2.40.0030.04711.71
5.2.30.0030.03311.71
5.2.20.0030.03711.71
5.2.10.0070.05711.71
5.2.00.0100.05011.71
5.1.60.0070.03011.71
5.1.50.0070.05311.71
5.1.40.0030.05311.71
5.1.30.0030.05711.71
5.1.20.0030.06011.71
5.1.10.0100.03011.71
5.1.00.0030.05711.71
5.0.50.0070.02711.71
5.0.40.0000.04311.71
5.0.30.0000.03311.71
5.0.20.0000.02311.71
5.0.10.0070.03011.71
5.0.00.0030.04311.71
4.4.90.0000.03711.71
4.4.80.0000.04011.71
4.4.70.0000.02011.71
4.4.60.0030.02311.71
4.4.50.0000.03711.71
4.4.40.0000.06011.71
4.4.30.0030.03311.71
4.4.20.0030.03311.71
4.4.10.0000.02311.71
4.4.00.0000.05711.71
4.3.110.0070.02311.71
4.3.100.0070.02711.71
4.3.90.0100.02011.71
4.3.80.0000.03011.71
4.3.70.0000.01711.71
4.3.60.0000.03311.71
4.3.50.0030.03311.71
4.3.40.0000.04311.71
4.3.30.0030.03311.71
4.3.20.0030.03711.71
4.3.10.0000.03011.71
4.3.00.0000.02711.71

preferences:
52.41 ms | 400 KiB | 5 Q