3v4l.org

run code in 300+ PHP versions simultaneously
<?php // string, null, bool, float, largest specified previous index function isIndexedArray($array) { return !(bool)count(array_filter(array_keys($array), 'is_string')); } $a4 = $a2; unset($a4[2]); print_r($a4); var_dump(isIndexedArray('a')); // false var_dump(isSequentialArray([])); // true/undefined var_dump(isSequentialArray(['a'])); // true var_dump(isSequentialArray(['a' => 1])); // false 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)
8.3.60.0120.00916.50
8.3.50.0100.01021.95
8.3.40.0070.00718.87
8.3.30.0030.01418.80
8.3.20.0040.00420.38
8.3.10.0030.00523.71
8.3.00.0040.00419.38
8.2.180.0110.01116.63
8.2.170.0100.00322.96
8.2.160.0100.00320.51
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00817.38
8.2.120.0000.00726.35
8.2.110.0000.00821.00
8.2.100.0100.00317.93
8.2.90.0050.00319.20
8.2.80.0030.00617.97
8.2.70.0000.00817.63
8.2.60.0000.01017.80
8.2.50.0080.00018.07
8.2.40.0000.00719.28
8.2.30.0040.00420.64
8.2.20.0040.00417.78
8.2.10.0040.00418.03
8.2.00.0080.00018.09
8.1.280.0100.00725.92
8.1.270.0000.00924.00
8.1.260.0070.00028.09
8.1.250.0000.00828.09
8.1.240.0080.00020.87
8.1.230.0070.00419.56
8.1.220.0000.00917.76
8.1.210.0060.00318.77
8.1.200.0090.00017.35
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0000.00720.19
8.1.160.0000.00822.04
8.1.150.0000.00718.89
8.1.140.0030.00619.43
8.1.130.0030.00317.66
8.1.120.0050.00317.42
8.1.110.0040.00417.38
8.1.100.0000.00817.42
8.1.90.0000.00717.28
8.1.80.0040.00417.48
8.1.70.0000.00717.40
8.1.60.0030.00617.66
8.1.50.0030.00617.46
8.1.40.0000.00817.53
8.1.30.0080.00017.64
8.1.20.0060.00317.64
8.1.10.0040.00417.51
8.1.00.0040.00717.55
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0070.00018.34
8.0.270.0000.00717.28
8.0.260.0030.00317.21
8.0.250.0000.00716.95
8.0.240.0030.00316.98
8.0.230.0000.00716.86
8.0.220.0040.00416.86
8.0.210.0040.00416.79
8.0.200.0000.00716.99
8.0.190.0040.00416.88
8.0.180.0050.00316.94
8.0.170.0030.00516.85
8.0.160.0040.00416.84
8.0.150.0000.00716.77
8.0.140.0040.00416.83
8.0.130.0030.00313.35
8.0.120.0040.00416.89
8.0.110.0060.00316.93
8.0.100.0020.00516.75
8.0.90.0000.00816.88
8.0.80.0110.00416.95
8.0.70.0020.00516.98
8.0.60.0050.00216.82
8.0.50.0030.00516.92
8.0.30.0130.00617.12
8.0.20.0110.00817.42
8.0.10.0030.00517.11
8.0.00.0140.00716.87
7.4.330.0050.00016.72
7.4.320.0030.00516.60
7.4.300.0030.00316.61
7.4.290.0030.00316.62
7.4.280.0000.00916.52
7.4.270.0030.00316.68
7.4.260.0030.00316.66
7.4.250.0030.00516.52
7.4.240.0050.00216.61
7.4.230.0030.00316.70
7.4.220.0130.01016.57
7.4.210.0060.01316.73
7.4.200.0030.00316.37
7.4.160.0220.00016.62
7.4.150.0140.00317.40
7.4.140.0090.00917.86
7.4.130.0100.01116.51
7.4.120.0100.00916.61
7.4.110.0090.01516.58
7.4.100.0110.01116.61
7.4.90.0060.01216.59
7.4.80.0080.00819.39
7.4.70.0150.00516.48
7.4.60.0080.00816.57
7.4.50.0030.00916.47
7.4.40.0070.01016.63
7.4.30.0100.00716.67
7.4.00.0060.00915.05
7.3.330.0060.00013.45
7.3.320.0030.00313.32
7.3.310.0000.00716.45
7.3.300.0080.00016.41
7.3.290.0070.00916.43
7.3.280.0070.01216.46
7.3.270.0100.00717.40
7.3.260.0090.00616.66
7.3.250.0080.00916.43
7.3.240.0130.00316.42
7.3.230.0150.00616.71
7.3.210.0230.00016.47
7.3.200.0110.00516.39
7.3.190.0140.00416.54
7.3.180.0130.00316.70
7.3.170.0070.01016.72
7.3.160.0130.00316.66
7.2.330.0140.01216.75
7.2.320.0030.01616.43
7.2.310.0140.01216.64
7.2.300.0060.01116.49
7.2.290.0130.00616.45
7.2.120.0140.00716.60
7.2.110.0280.00716.46
7.2.100.0150.00216.71
7.2.90.0260.00316.58
7.2.80.0250.00816.68
7.2.70.0270.00916.97
7.2.60.0150.00616.83
7.2.50.0150.00617.01
7.2.40.0310.00016.99
7.2.30.0240.00316.95
7.2.20.0180.00616.54
7.2.10.0080.01116.88
7.2.00.0120.00818.00
7.1.240.0450.00315.35
7.1.230.0160.00315.84
7.1.220.0250.01215.68
7.1.210.0210.00615.79
7.1.200.0090.01115.64
7.1.190.0070.00815.76
7.1.180.0220.00015.45
7.1.170.0200.00615.91
7.1.160.0070.01115.78
7.1.150.0180.00315.52
7.1.140.0150.00815.84
7.1.130.0140.00715.73
7.1.120.0180.00015.48
7.1.110.0110.00515.59
7.1.100.0140.00516.78
7.1.90.0160.00315.95
7.1.80.0270.00015.79
7.1.70.0130.00316.32
7.1.60.0180.00817.62
7.1.50.0060.01016.40
7.1.40.0110.01115.79
7.1.30.0200.00415.64
7.1.20.0080.00815.62
7.1.10.0150.00815.90
7.1.00.0090.04219.16
7.0.320.0180.00615.40
7.0.310.0200.00615.27
7.0.300.0220.00315.46
7.0.290.0210.00315.23
7.0.280.0200.00915.46
7.0.270.0090.00915.38
7.0.260.0170.01015.57
7.0.250.0190.00915.41
7.0.240.0240.00615.46
7.0.230.0470.01015.45
7.0.220.0250.00415.15
7.0.210.0240.00015.33
7.0.200.0150.00315.18
7.0.190.0170.00315.45
7.0.180.0160.00915.38
7.0.170.0190.00315.54
7.0.160.0140.00715.41
7.0.150.0180.00315.52
7.0.140.0210.00315.61
7.0.130.0200.00015.63
7.0.120.0100.00715.29
7.0.110.0150.00415.47
7.0.100.0240.00015.23
7.0.90.0200.00415.28
7.0.80.0170.00715.10
7.0.70.0070.00715.02
7.0.60.0090.04917.63
7.0.50.0130.04116.72
7.0.40.0060.03816.72
7.0.30.0220.02316.82
7.0.20.0230.03716.75
7.0.10.0060.04016.81
7.0.00.0100.02916.75
5.6.380.0080.00814.30
5.6.370.0120.00614.24
5.6.360.0080.00814.41
5.6.350.0160.00314.24
5.6.340.0150.00014.18
5.6.330.0070.00714.14
5.6.320.0120.00414.30
5.6.310.0080.00814.43
5.6.300.0140.00314.24
5.6.290.0080.00614.41
5.6.280.0060.03417.75
5.6.270.0210.00614.18
5.6.260.0100.00714.27
5.6.250.0200.00714.33
5.6.240.0210.00514.15
5.6.230.0180.00914.23
5.6.220.0080.00814.05
5.6.210.0070.04717.53
5.6.200.0070.02216.20
5.6.190.0160.04117.47
5.6.180.0270.03817.33
5.6.170.0140.03317.40
5.6.160.0140.04517.34
5.6.150.0090.04316.42
5.6.140.0100.02216.19
5.6.130.0100.04516.15
5.6.120.0190.02317.54
5.6.110.0140.04017.60
5.6.100.0170.03717.56
5.6.90.0140.02417.54
5.6.80.0120.04017.41
5.6.70.0170.00714.44
5.6.60.0120.00613.96
5.6.50.0190.00814.04
5.6.40.0130.00314.34
5.6.30.0150.00414.46
5.6.20.0150.00314.07
5.6.10.0160.00614.17
5.6.00.0100.00714.04
5.5.380.0050.00511.11
5.5.370.0070.00711.33
5.5.360.0100.00311.34
5.5.350.2140.02115.73
5.5.340.0110.02314.60
5.5.330.0090.04515.75
5.5.320.0120.03515.67
5.5.310.0140.02515.71
5.5.300.0100.03814.54
5.5.290.0110.04514.54
5.5.280.0060.02215.88
5.5.270.0130.03016.08
5.5.260.0080.04415.95
5.5.250.0070.03015.98
5.5.240.0180.04415.59
5.5.230.0100.00011.09
5.5.220.0180.00411.09
5.5.210.0140.00311.09
5.5.200.0060.00611.09
5.5.190.0160.00011.16
5.5.180.0050.00511.11
5.5.170.0160.00513.96
5.5.160.0130.00311.17
5.5.150.0090.00411.11
5.5.140.0030.00611.20
5.5.130.0120.00311.09
5.5.120.0160.00511.19
5.5.110.0070.00711.30
5.5.100.0060.00311.09
5.5.90.0110.00711.17
5.5.80.0100.00511.09
5.5.70.0040.00611.09
5.5.60.0110.00711.14
5.5.50.0070.00411.23
5.5.40.0080.00511.14
5.5.30.0140.00711.09
5.5.20.0110.00311.21
5.5.10.0070.00611.09
5.5.00.0120.00811.14

preferences:
57.77 ms | 401 KiB | 5 Q