3v4l.org

run code in 300+ PHP versions simultaneously
<?php $flat = ['a', 'b', 'c']; $treeish = ['a', 'b' => ['x', 'y', 'z'], 'c']; $treeish2 = ['b' => ['x', 'y', 'z']]; echo 'count($flat): ' . count($flat) . PHP_EOL; echo 'count($flat, 1): ' . count($flat, 1) . PHP_EOL; echo 'count($treeish): ' . count($treeish) . PHP_EOL; echo 'count($treeish, 1): ' . count($treeish, 1) . PHP_EOL; echo count($treeish2);

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)
8.3.60.0120.00316.38
8.3.50.0130.00618.19
8.3.40.0140.00718.71
8.3.30.0030.01718.78
8.3.20.0060.00320.26
8.3.10.0040.00421.78
8.3.00.0000.00819.13
8.2.180.0060.01218.41
8.2.170.0120.00322.96
8.2.160.0070.00720.52
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0000.00826.16
8.2.120.0040.01119.36
8.2.110.0030.00719.21
8.2.100.0120.00017.63
8.2.90.0070.00319.08
8.2.80.0040.00417.97
8.2.70.0100.00017.50
8.2.60.0030.00617.93
8.2.50.0030.00618.07
8.2.40.0040.00419.97
8.2.30.0040.00418.04
8.2.20.0000.00717.59
8.2.10.0040.00418.06
8.2.00.0000.00717.54
8.1.280.0140.00325.92
8.1.270.0040.00418.84
8.1.260.0000.00726.35
8.1.250.0020.00528.09
8.1.240.0060.00323.79
8.1.230.0100.00317.42
8.1.220.0040.00417.79
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0050.00317.13
8.1.180.0040.00418.10
8.1.170.0030.00618.86
8.1.160.0000.00722.00
8.1.150.0000.00718.87
8.1.140.0000.00817.44
8.1.130.0030.00317.81
8.1.120.0000.00717.43
8.1.110.0050.00317.34
8.1.100.0040.00417.43
8.1.90.0070.00017.36
8.1.80.0080.00017.36
8.1.70.0000.00717.46
8.1.60.0040.00417.58
8.1.50.0040.00417.52
8.1.40.0090.00317.43
8.1.30.0060.00317.70
8.1.20.0040.00417.49
8.1.10.0000.00817.50
8.1.00.0110.00017.32
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0070.00018.43
8.0.270.0030.00317.26
8.0.260.0060.00317.11
8.0.250.0000.00716.92
8.0.240.0030.00316.95
8.0.230.0000.00716.99
8.0.220.0040.00416.86
8.0.210.0040.00416.72
8.0.200.0030.00316.92
8.0.190.0030.00416.96
8.0.180.0000.00816.92
8.0.170.0070.00016.95
8.0.160.0000.00816.83
8.0.150.0040.00416.81
8.0.140.0000.01016.83
8.0.130.0050.00013.19
8.0.120.0050.00316.88
8.0.110.0000.00716.91
8.0.100.0040.00416.89
8.0.90.0040.00416.68
8.0.80.0120.00916.83
8.0.70.0000.00816.72
8.0.60.0040.00416.70
8.0.50.0040.00416.89
8.0.30.0100.01217.00
8.0.20.0110.00717.40
8.0.10.0050.00317.04
8.0.00.0150.00416.76
7.4.330.0020.00215.19
7.4.320.0030.00316.44
7.4.300.0060.00016.50
7.4.290.0000.00816.52
7.4.280.0040.00416.43
7.4.270.0070.00016.52
7.4.260.0000.00816.47
7.4.250.0040.00416.53
7.4.240.0030.00316.47
7.4.230.0030.00316.56
7.4.220.0090.00916.46
7.4.210.0060.00916.55
7.4.200.0080.00016.59
7.4.160.0090.00616.55
7.4.150.0140.00917.40
7.4.140.0090.00917.86
7.4.130.0100.00816.56
7.4.120.0080.00816.53
7.4.110.0070.01016.49
7.4.100.0120.01216.36
7.4.90.0100.00616.46
7.4.80.0110.00719.39
7.4.70.0100.00716.41
7.4.60.0100.00716.61
7.4.50.0050.00316.60
7.4.40.0080.00816.52
7.4.30.0120.00616.41
7.4.00.0080.00814.74
7.3.330.0030.00313.07
7.3.320.0120.00013.24
7.3.310.0030.00316.29
7.3.300.0040.00416.16
7.3.290.0060.01116.26
7.3.280.0080.00816.26
7.3.270.0060.01117.40
7.3.260.0100.00816.26
7.3.250.0080.00916.45
7.3.240.0130.01016.55
7.3.230.0100.00716.43
7.3.210.0120.00416.38
7.3.200.0060.01019.39
7.3.190.0100.00716.34
7.3.180.0060.01616.27
7.3.170.0100.00716.45
7.3.160.0170.00316.41
7.3.10.0120.00616.51
7.3.00.0110.00316.48
7.2.330.0030.01316.37
7.2.320.0150.00816.73
7.2.310.0080.00816.32
7.2.300.0030.01416.56
7.2.290.0070.01116.64
7.2.130.0040.00816.85
7.2.120.0100.00816.60
7.2.110.0030.01316.63
7.2.100.0050.01116.85
7.2.90.0050.00616.82
7.2.80.0060.00716.65
7.2.70.0070.00716.83
7.2.60.0070.01016.87
7.2.50.0050.00716.76
7.2.40.0050.01116.70
7.2.30.0040.01216.93
7.2.20.0090.00516.76
7.2.10.0050.01116.71
7.2.00.0070.00717.60
7.1.250.0050.00915.40
7.1.200.0120.00015.80
7.1.100.0070.00718.10
7.1.70.0030.00616.85
7.1.60.0230.00019.50
7.1.50.0100.01016.80
7.1.00.0070.07322.41
7.0.200.0210.00616.57
7.0.140.0070.03322.21
7.0.100.0230.05019.93
7.0.90.0030.09019.89
7.0.80.0100.05020.12
7.0.70.0030.07019.95
7.0.60.0030.04719.89
7.0.50.0100.04020.16
7.0.40.0100.05720.13
7.0.30.0070.08320.09
7.0.20.0030.05020.18
7.0.10.0130.08019.94
7.0.00.0070.06320.10
5.6.280.0000.07721.02
5.6.250.0000.04720.68
5.6.240.0100.07720.67
5.6.230.0130.08020.62
5.6.220.0100.08020.61
5.6.210.0070.08020.74
5.6.200.0070.08321.04
5.6.190.0070.09021.02
5.6.180.0030.09021.07
5.6.170.0070.04720.99
5.6.160.0030.09021.04
5.6.150.0000.09021.10
5.6.140.0000.05321.02
5.6.130.0100.08321.07
5.6.120.0130.07721.04
5.6.110.0070.05721.06
5.6.100.0070.04321.15
5.6.90.0100.07021.04
5.6.80.0100.07020.31
5.6.70.0100.06320.32
5.6.60.0170.03720.42
5.6.50.0000.08320.43
5.6.40.0000.07720.27
5.6.30.0030.07720.39
5.6.20.0070.06720.46
5.6.10.0070.07320.39
5.6.00.0070.07320.40
5.5.380.0100.05720.43
5.5.370.0030.07020.54
5.5.360.0000.08720.43
5.5.350.0070.07720.45
5.5.340.0100.09020.88
5.5.330.0100.06020.87
5.5.320.0070.06720.79
5.5.310.0070.08020.72
5.5.300.0200.06020.90
5.5.290.0030.05020.92
5.5.280.0030.04720.75
5.5.270.0070.08320.87
5.5.260.0070.06720.71
5.5.250.0000.05320.45
5.5.240.0030.07720.27
5.5.230.0130.06720.17
5.5.220.0100.03320.10
5.5.210.0100.07720.26
5.5.200.0100.07720.09
5.5.190.0070.08320.12
5.5.180.0070.08320.12
5.5.160.0070.07720.18
5.5.150.0070.07320.25
5.5.140.0070.07720.22
5.5.130.0130.06020.25
5.5.120.0070.03720.07
5.5.110.0000.07719.97
5.5.100.0030.07720.07
5.5.90.0130.06720.06
5.5.80.0000.04020.12
5.5.70.0030.05020.00
5.5.60.0100.07720.09
5.5.50.0100.07320.05
5.5.40.0100.04320.00
5.5.30.0000.05020.02
5.5.20.0000.05320.12
5.5.10.0070.06720.01
5.5.00.0070.07720.07
5.4.450.0030.07019.46
5.4.440.0100.06319.27
5.4.430.0100.06019.39
5.4.420.0070.03719.35
5.4.410.0170.06319.09
5.4.400.0070.04719.10
5.4.390.0070.03719.07
5.4.380.0030.04718.90
5.4.370.0030.04318.93
5.4.360.0070.07718.78
5.4.350.0070.07718.89
5.4.340.0100.04318.90
5.4.320.0070.03718.81
5.4.310.0070.07019.12
5.4.300.0000.05718.97
5.4.290.0030.07319.05
5.4.280.0070.07319.02
5.4.270.0030.08019.02
5.4.260.0100.07318.80
5.4.250.0030.04718.95
5.4.240.0070.05318.96
5.4.230.0030.06718.98
5.4.220.0100.07019.21
5.4.210.0200.06319.05
5.4.200.0030.07019.09
5.4.190.0070.05319.03
5.4.180.0070.04019.10
5.4.170.0070.07319.02
5.4.160.0070.08018.96
5.4.150.0030.08019.09
5.4.140.0170.06316.31
5.4.130.0000.08316.31
5.4.120.0030.04716.31
5.4.110.0130.06316.36
5.4.100.0030.06716.32
5.4.90.0070.07316.38
5.4.80.0070.06716.42
5.4.70.0070.07316.32
5.4.60.0070.07016.18
5.4.50.0070.07016.37
5.4.40.0100.07016.26
5.4.30.0100.06716.40
5.4.20.0030.05316.40
5.4.10.0070.06316.28
5.4.00.0000.05015.47
5.3.290.0170.07714.63
5.3.280.0000.08714.61
5.3.270.0070.04014.46
5.3.260.0100.07714.44
5.3.250.0030.08314.53
5.3.240.0070.04314.60
5.3.230.0070.07314.45
5.3.220.0070.07314.52
5.3.210.0030.04714.57
5.3.200.0130.04714.55
5.3.190.0030.04314.58
5.3.180.0130.07014.52
5.3.170.0100.04014.56
5.3.160.0100.06714.42
5.3.150.0130.07014.52
5.3.140.0100.07714.41
5.3.130.0100.06714.51
5.3.120.0030.05714.54
5.3.110.0030.06714.53
5.3.100.0030.04014.02
5.3.90.0100.07313.98
5.3.80.0030.06013.96
5.3.70.0030.06714.01
5.3.60.0130.06713.99
5.3.50.0070.07313.85
5.3.40.0030.07713.93
5.3.30.0000.05013.87
5.3.20.0130.06013.69
5.3.10.0030.06313.42
5.3.00.0070.03313.61
5.2.170.0070.04710.98
5.2.160.0030.06711.19
5.2.150.0070.06011.10
5.2.140.0030.03711.00
5.2.130.0070.04011.13
5.2.120.0030.06310.92
5.2.110.0070.05311.09
5.2.100.0030.06311.09
5.2.90.0030.03710.95
5.2.80.0070.05311.04
5.2.70.0000.06710.93
5.2.60.0000.06011.07
5.2.50.0100.04311.02
5.2.40.0030.05711.06
5.2.30.0070.06010.93
5.2.20.0030.06710.97
5.2.10.0070.05010.88
5.2.00.0070.03010.61
5.1.60.0030.02310.07
5.1.50.0030.02310.02
5.1.40.0000.0339.82
5.1.30.0030.02310.37
5.1.20.0030.05310.40
5.1.10.0000.04310.11
5.1.00.0000.03010.13
5.0.50.0000.0238.61
5.0.40.0000.0208.43
5.0.30.0030.0308.33
5.0.20.0000.0208.33
5.0.10.0030.0178.33
5.0.00.0030.0278.33
4.4.90.0000.0338.33
4.4.80.0000.0378.33
4.4.70.0030.0308.33
4.4.60.0030.0378.33
4.4.50.0000.0408.33
4.4.40.0030.0278.33
4.4.30.0030.0178.33
4.4.20.0100.0208.33
4.4.10.0030.0138.33
4.4.00.0030.0238.33
4.3.110.0030.0138.33
4.3.100.0100.0078.33
4.3.90.0000.0138.33
4.3.80.0000.0238.33
4.3.70.0030.0138.33
4.3.60.0030.0138.33
4.3.50.0000.0138.33
4.3.40.0000.0238.33
4.3.30.0030.0238.33
4.3.20.0030.0138.33
4.3.10.0000.0208.33
4.3.00.0000.0138.33

preferences:
43.95 ms | 400 KiB | 5 Q