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')); } assert(isIndexedArray('a')); // false var_dump(isIndexedArray(NULL)); // 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)
8.3.60.0110.00716.75
8.3.50.0110.01021.85
8.3.40.0150.00918.84
8.3.30.0090.00618.83
8.3.20.0000.00820.39
8.3.10.0000.00723.52
8.3.00.0050.00319.51
8.2.180.0130.00416.88
8.2.170.0090.00622.96
8.2.160.0100.00320.43
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0080.00017.50
8.2.120.0080.00026.35
8.2.110.0030.00621.93
8.2.100.0110.00018.16
8.2.90.0040.00419.17
8.2.80.0000.00817.97
8.2.70.0040.00417.38
8.2.60.0030.00517.65
8.2.50.0040.00418.07
8.2.40.0030.00519.51
8.2.30.0070.00020.47
8.2.20.0060.00317.77
8.2.10.0040.00417.91
8.2.00.0040.00417.94
8.1.280.0040.01225.92
8.1.270.0000.01023.99
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0060.00323.78
8.1.230.0070.00419.09
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0030.00517.10
8.1.180.0070.00018.10
8.1.170.0080.00018.72
8.1.160.0050.00221.85
8.1.150.0000.00718.80
8.1.140.0050.00319.35
8.1.130.0000.00817.64
8.1.120.0040.00417.39
8.1.110.0000.00717.24
8.1.100.0000.00717.33
8.1.90.0040.00417.35
8.1.80.0080.00017.24
8.1.70.0000.00717.36
8.1.60.0100.00017.56
8.1.50.0000.00817.51
8.1.40.0000.00817.51
8.1.30.0070.00417.55
8.1.20.0040.00417.50
8.1.10.0000.00817.50
8.1.00.0040.00417.37
8.0.300.0040.00418.77
8.0.290.0000.00716.88
8.0.280.0030.00318.41
8.0.270.0030.00317.22
8.0.260.0030.00317.24
8.0.250.0030.00316.93
8.0.240.0080.00016.91
8.0.230.0050.00216.97
8.0.220.0060.00316.96
8.0.210.0000.00716.93
8.0.200.0000.00616.97
8.0.190.0040.00416.95
8.0.180.0000.00716.88
8.0.170.0040.00416.90
8.0.160.0070.00016.95
8.0.150.0000.00716.96
8.0.140.0040.00416.78
8.0.130.0000.00613.39
8.0.120.0040.00416.80
8.0.110.0030.00716.82
8.0.100.0000.00817.02
8.0.90.0000.00716.91
8.0.80.0090.00616.91
8.0.70.0040.00416.86
8.0.60.0040.00416.96
8.0.50.0000.00816.87
8.0.30.0110.00817.08
8.0.20.0060.01417.42
8.0.10.0030.00516.96
8.0.00.0140.00516.61
7.4.330.0000.00615.08
7.4.320.0000.00616.46
7.4.300.0000.00616.56
7.4.290.0030.00316.56
7.4.280.0000.00716.40
7.4.270.0000.00816.58
7.4.260.0000.00716.40
7.4.250.0040.00416.54
7.4.240.0050.00216.53
7.4.230.0000.00816.22
7.4.220.0140.00616.68
7.4.210.0060.00916.48
7.4.200.0040.00416.46
7.4.160.0100.00516.41
7.4.150.0040.01417.40
7.4.140.0180.00517.86
7.4.130.0060.01216.60
7.4.120.0150.00716.62
7.4.110.0080.01616.65
7.4.100.0150.00316.45
7.4.90.0090.00816.46
7.4.80.0060.01319.39
7.4.70.0070.01416.73
7.4.60.0110.00516.55
7.4.50.0060.00816.43
7.4.40.0180.00016.40
7.4.30.0160.00016.51
7.4.10.0070.01414.82
7.4.00.0080.00914.93
7.3.330.0040.00313.32
7.3.320.0020.00213.25
7.3.310.0030.00316.28
7.3.300.0070.00016.31
7.3.290.0080.00716.36
7.3.280.0110.00416.38
7.3.270.0090.00817.40
7.3.260.0100.01316.59
7.3.240.0120.00816.54
7.3.230.0070.01016.39
7.3.210.0130.00416.48
7.3.200.0020.01416.59
7.3.190.0170.00316.45
7.3.180.0090.00616.40
7.3.170.0090.00616.44
7.3.160.0090.00916.50
7.3.130.0060.01314.70
7.3.120.0090.00914.69
7.3.110.0100.00314.81
7.3.100.0100.00414.76
7.3.90.0030.01014.93
7.3.80.0030.01514.84
7.3.70.0050.00914.82
7.3.60.0080.00614.93
7.3.50.0060.00314.95
7.3.40.0070.00514.78
7.3.30.0060.00914.77
7.3.20.0060.00616.43
7.3.10.0030.01116.58
7.3.00.0070.00816.55
7.2.330.0170.00616.66
7.2.320.0110.01116.64
7.2.310.0100.00716.66
7.2.300.0120.00616.69
7.2.290.0130.00316.39
7.2.260.0070.01315.19
7.2.250.0110.00515.00
7.2.240.0020.01714.98
7.2.230.0070.01015.19
7.2.220.0090.00515.20
7.2.210.0080.00914.87
7.2.200.0050.00814.73
7.2.190.0050.01214.81
7.2.180.0070.00714.92
7.2.170.0080.00515.09
7.2.160.0020.01115.11
7.2.150.0050.00516.87
7.2.140.0060.00916.64
7.2.130.0030.01016.84
7.2.120.0020.01016.78
7.2.110.0070.00616.89
7.2.100.0050.00916.83
7.2.90.0040.00816.87
7.2.80.0060.00716.89
7.2.70.0030.00916.79
7.2.60.0060.00716.93
7.2.50.0030.01116.84
7.2.40.0050.00916.79
7.2.30.0060.00416.88
7.2.20.0070.00716.92
7.2.10.0050.00716.81
7.2.00.0020.01517.52
7.1.330.0020.01415.74
7.1.320.0020.01315.66
7.1.310.0030.00815.73
7.1.300.0050.01015.63
7.1.290.0080.00415.66
7.1.280.0070.00915.73
7.1.270.0040.00915.65
7.1.260.0070.00515.74
7.1.250.0070.00515.76
7.1.240.0070.00515.73
7.1.230.0110.00615.80
7.1.220.0030.01015.72
7.1.210.0020.00715.66
7.1.200.0070.00915.60
7.1.190.0040.01215.77
7.1.180.0020.01315.63
7.1.170.0020.01115.71
7.1.160.0090.00315.74
7.1.150.0030.00815.56
7.1.140.0030.00915.80
7.1.130.0090.00615.64
7.1.120.0110.00515.80
7.1.110.0010.01015.75
7.1.100.0070.00516.49
7.1.90.0030.00815.73
7.1.80.0070.00715.75
7.1.70.0020.00816.25
7.1.60.0070.01116.93
7.1.50.0090.00316.25
7.1.40.0050.00715.46
7.1.30.0040.01115.50
7.1.20.0010.01315.69
7.1.10.0030.00915.66
7.1.00.0040.02817.83
7.0.330.0030.00715.41
7.0.320.0040.00715.20
7.0.310.0040.00715.34
7.0.300.0050.00815.46
7.0.290.0020.01215.25
7.0.280.0050.00715.53
7.0.270.0040.00715.26
7.0.260.0070.00415.18
7.0.250.0050.00715.49
7.0.240.0080.00515.43
7.0.230.0040.00915.37
7.0.220.0050.01015.27
7.0.210.0050.00815.39
7.0.200.0040.00715.82
7.0.190.0030.00915.35
7.0.180.0080.00715.28
7.0.170.0070.00615.40
7.0.160.0080.00715.30
7.0.150.0040.00915.36
7.0.140.0050.00515.30
7.0.130.0030.00915.24
7.0.120.0030.00815.52
7.0.110.0040.00715.53
7.0.100.0080.02016.85
7.0.90.0080.02616.74
7.0.80.0040.02616.86
7.0.70.0090.01916.83
7.0.60.0100.02016.95
7.0.50.0090.02017.09
7.0.40.0040.03215.65
7.0.30.0080.03215.66
7.0.20.0070.03215.74
7.0.10.0080.03015.65
7.0.00.0080.03315.63
5.6.400.0090.00714.10
5.6.390.0030.01014.31
5.6.380.0050.00914.23
5.6.370.0070.00614.46
5.6.360.0040.00914.12
5.6.350.0070.00414.39
5.6.340.0060.00513.93
5.6.330.0070.00414.20
5.6.320.0060.00814.46
5.6.310.0070.00514.24
5.6.300.0060.00614.23
5.6.290.0060.00814.20
5.6.280.0050.02516.48
5.6.270.0020.01014.20
5.6.260.0030.00714.18
5.6.250.0050.02016.31
5.6.240.0020.02316.35
5.6.230.0030.02116.35
5.6.220.0040.01716.33
5.6.210.0100.02916.33
5.6.200.0040.03316.38
5.6.190.0060.03216.33
5.6.180.0080.02616.54
5.6.170.0050.02716.47
5.6.160.0060.03116.41
5.6.150.0030.03516.29
5.6.140.0060.03416.45
5.6.130.0020.03616.59
5.6.120.0080.03016.42
5.6.110.0060.03316.53
5.6.100.0060.03316.29
5.6.90.0010.03616.49
5.6.80.0090.03116.23
5.6.70.0090.02816.25
5.6.60.0140.02716.14
5.6.50.0090.03116.28
5.6.40.0050.03016.30
5.6.30.0110.01916.34
5.6.20.0090.02816.24
5.6.10.0030.03716.33
5.6.00.0070.02916.12
5.5.380.0040.01916.08
5.5.370.0040.01716.35
5.5.360.0050.01716.14
5.5.350.0050.01916.15
5.5.340.0120.02916.42
5.5.330.0070.03316.24
5.5.320.0040.03316.41
5.5.310.0100.02616.48
5.5.300.0070.03416.39
5.5.290.0080.03016.41
5.5.280.0070.03316.20
5.5.270.0050.03316.31
5.5.260.0070.03016.34
5.5.250.0030.02616.20
5.5.240.0060.02216.11
5.5.230.0110.02116.04
5.5.220.0070.03416.11
5.5.210.0080.02616.03
5.5.200.0070.02816.13
5.5.190.0070.03216.18
5.5.180.0050.03015.99
5.5.170.0020.01114.09
5.5.160.0070.03116.03
5.5.150.0050.02616.17
5.5.140.0040.03116.17
5.5.130.0010.02816.20
5.5.120.0070.03216.05
5.5.110.0060.02716.13
5.5.100.0060.01816.04
5.5.90.0060.03216.00
5.5.80.0090.02916.15
5.5.70.0070.03116.04
5.5.60.0040.03216.11
5.5.50.0040.02916.09
5.5.40.0080.02315.89
5.5.30.0060.03116.09
5.5.20.0040.02916.12
5.5.10.0030.03316.11
5.5.00.0040.03115.92

preferences:
59.67 ms | 401 KiB | 5 Q