3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Everything is associative array in PHP. Ideal question to ask is if it is sequential // Secondly, going through entire list of items in array is unnecessary function isSequentialArray($array) { return !(bool)count(array_filter(array_keys($array), 'is_string')); } var_dump(isSequentialArray([])); // true/undefined var_dump(isSequentialArray(['a'])); // false var_dump(isAssoc([])); // undefined var_dump(isSequentialArray(array(0 => 'a', 1 => 'b'))); // true var_dump(isSequentialArray(array(0 => 'a', 5 => 'b'))); // true var_dump(isSequentialArray(array('a', 'b', 'c'))); // false var_dump(isSequentialArray(array("0" => 'a', "1" => 'b', "2" => 'c'))); // false var_dump(isSequentialArray(array("1" => 'a', "0" => 'b', "2" => 'c'))); // true var_dump(isSequentialArray(array("a" => 'a', "b" => 'b', "c" => 'c'))); // true

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)
8.3.60.0040.01116.75
8.3.50.0130.00521.86
8.3.40.0090.00618.77
8.3.30.0090.00618.71
8.3.20.0070.00020.21
8.3.10.0040.00421.89
8.3.00.0060.00319.38
8.2.180.0040.01118.29
8.2.170.0070.00722.96
8.2.160.0070.00720.36
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0030.00617.63
8.2.120.0050.00326.35
8.2.110.0100.00022.16
8.2.100.0080.00318.03
8.2.90.0030.00519.22
8.2.80.0000.00817.97
8.2.70.0000.00917.75
8.2.60.0070.00517.68
8.2.50.0040.00418.07
8.2.40.0040.00419.52
8.2.30.0070.00020.54
8.2.20.0060.00317.73
8.2.10.0040.00417.94
8.2.00.0040.00417.98
8.1.280.0150.00625.92
8.1.270.0120.00023.99
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0060.00319.27
8.1.230.0120.00017.64
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0080.00017.35
8.1.190.0000.00817.23
8.1.180.0000.00718.10
8.1.170.0000.00918.71
8.1.160.0000.00722.03
8.1.150.0050.00218.88
8.1.140.0040.00419.52
8.1.130.0030.00317.64
8.1.120.0030.00317.45
8.1.110.0040.00417.45
8.1.100.0050.00217.30
8.1.90.0040.00417.30
8.1.80.0000.00717.36
8.1.70.0040.00417.23
8.1.60.0040.00417.47
8.1.50.0030.00617.43
8.1.40.0040.00417.47
8.1.30.0000.00817.64
8.1.20.0080.00017.48
8.1.10.0050.00317.50
8.1.00.0000.00817.48
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0000.00718.46
8.0.270.0070.00017.24
8.0.260.0000.00717.25
8.0.250.0040.00417.06
8.0.240.0040.00417.03
8.0.230.0060.00316.98
8.0.220.0000.00716.86
8.0.210.0000.00717.02
8.0.200.0000.00616.93
8.0.190.0040.00416.92
8.0.180.0000.00716.95
8.0.170.0000.00816.96
8.0.160.0030.00316.87
8.0.150.0070.00016.79
8.0.140.0000.00716.84
8.0.130.0000.00713.46
8.0.120.0030.00716.80
8.0.110.0050.00216.93
8.0.100.0000.00716.84
8.0.90.0070.00016.88
8.0.80.0040.01216.92
8.0.70.0080.00016.81
8.0.60.0080.00017.01
8.0.50.0000.00716.93
8.0.30.0090.00917.04
8.0.20.0090.01017.40
8.0.10.0080.00017.06
8.0.00.0090.00916.64
7.4.330.0000.00516.73
7.4.320.0000.00716.46
7.4.300.0060.00016.59
7.4.290.0030.00316.53
7.4.280.0050.00216.49
7.4.270.0000.00716.35
7.4.260.0000.00716.32
7.4.250.0070.00016.36
7.4.240.0000.00716.50
7.4.230.0030.00316.44
7.4.220.0040.01516.55
7.4.210.0110.00516.56
7.4.200.0040.00416.44
7.4.160.0100.00716.52
7.4.150.0100.01017.40
7.4.140.0120.00617.86
7.4.130.0100.00716.42
7.4.120.0100.00716.55
7.4.110.0170.00016.47
7.4.100.0130.00316.34
7.4.90.0070.01016.48
7.4.80.0060.01519.39
7.4.70.0060.01116.66
7.4.60.0070.01016.66
7.4.50.0000.01316.55
7.4.40.0040.01216.32
7.4.30.0150.01116.50
7.4.00.0000.01514.97
7.3.330.0070.00013.16
7.3.320.0030.00313.23
7.3.310.0030.00316.20
7.3.300.0030.00316.35
7.3.290.0000.00716.34
7.3.280.0080.01016.32
7.3.270.0070.01017.40
7.3.260.0200.00316.52
7.3.250.0080.00916.33
7.3.240.0110.00716.39
7.3.230.0130.00416.41
7.3.210.0000.01916.46
7.3.200.0060.01016.36
7.3.190.0130.00616.38
7.3.180.0120.00916.49
7.3.170.0100.00716.30
7.3.160.0060.01416.38
7.3.10.0290.00716.51
7.3.00.0520.00816.23
7.2.330.0120.00616.43
7.2.320.0070.01016.48
7.2.310.0130.00316.77
7.2.300.0030.01216.65
7.2.290.0210.00016.53
7.2.130.0460.01216.47
7.2.120.0250.00516.17
7.2.110.0160.00616.53
7.2.100.0140.00516.18
7.2.90.0190.00516.49
7.2.80.0120.01116.31
7.2.70.0140.00916.31
7.2.60.0070.00916.54
7.2.50.0070.00516.48
7.2.40.0110.01016.82
7.2.30.0200.00316.45
7.2.20.0280.01216.74
7.2.10.0300.00516.25
7.2.00.0070.00717.61
7.1.250.0350.01215.53
7.1.200.0060.00915.64
7.1.100.0030.00618.14
7.1.70.0080.00017.20
7.1.60.0100.00319.48
7.1.50.0040.01816.90
7.1.00.0030.07022.51
7.0.200.0090.00014.39
7.0.60.0030.04320.07
7.0.50.0070.08017.93
7.0.40.0030.04720.05
7.0.30.0270.08320.15
7.0.20.0370.07320.03
7.0.10.0000.09720.07
7.0.00.0070.06720.29
5.6.280.0100.05320.91
5.6.210.0070.03720.72
5.6.200.0000.04318.19
5.6.190.0070.05320.28
5.6.180.0400.04720.64
5.6.170.0200.04720.71
5.6.160.0030.08720.43
5.6.150.0230.04718.20
5.6.140.0070.08018.29
5.6.130.0100.06718.24
5.6.120.0070.08321.10
5.6.110.0000.09021.01
5.6.100.0030.04321.04
5.6.90.0170.07721.12
5.6.80.0100.04020.54
5.5.350.4230.04020.44
5.5.340.0100.07717.98
5.5.330.0070.07020.43
5.5.320.0000.08720.28
5.5.310.0270.07720.27
5.5.300.0030.04318.03
5.5.290.0070.06317.98
5.5.280.0130.07720.88
5.5.270.0100.04020.95
5.5.260.0200.06020.79
5.5.250.0000.09320.61
5.5.240.0430.05720.16

preferences:
61.93 ms | 401 KiB | 5 Q