3v4l.org

run code in 300+ PHP versions simultaneously
<?php function isIndexNormalized($array){ $recreate = []; foreach($array as $index => $value){ $recreate[$index] = $value; } $recreate[] = "foo"; $array[] = "foo"; return $recreate === $array; } // ------- $array = [0, 1, 2, 3]; unset($array[3]); var_dump(isIndexNormalized($array)); $array[] = "x"; var_dump([0, 1, 2, "x"] === $array, $array); echo "\n\n\n\n"; // ------- $array = [0, 1, 2]; var_dump(isIndexNormalized($array)); $array[] = "x"; var_dump([0, 1, 2, "x"] === $array, $array);

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)
8.4.130.0100.00717.91
8.4.120.0130.00720.42
8.4.110.0140.00722.38
8.4.100.0140.00717.62
8.4.90.0040.00618.50
8.4.80.0080.00117.73
8.4.70.0130.01117.64
8.4.60.0160.00318.76
8.4.50.0100.01019.45
8.4.40.0140.00417.66
8.4.30.0140.00619.49
8.4.20.0110.01120.73
8.4.10.0100.00017.72
8.3.260.0050.00316.72
8.3.250.0060.01118.90
8.3.240.0130.00616.72
8.3.230.0120.00816.56
8.3.220.0120.00717.35
8.3.210.0100.01016.72
8.3.200.0040.00416.77
8.3.190.0040.00517.22
8.3.180.0060.00218.25
8.3.170.0100.00717.10
8.3.160.0070.00316.79
8.3.150.0110.00719.00
8.3.140.0060.00316.68
8.3.130.0000.00816.55
8.3.120.0100.00020.66
8.3.110.0080.00020.94
8.3.100.0060.00316.75
8.3.90.0060.00916.73
8.3.80.0060.00317.97
8.3.70.0130.00616.50
8.3.60.0040.01118.28
8.3.50.0080.00817.32
8.3.40.0120.00318.80
8.3.30.0180.00018.53
8.3.20.0030.00618.89
8.3.10.0030.00621.50
8.3.00.0040.00421.60
8.2.290.0040.00420.47
8.2.280.0120.00718.41
8.2.270.0150.00317.21
8.2.260.0140.00316.66
8.2.250.0060.00318.33
8.2.240.0110.00817.17
8.2.230.0000.00922.58
8.2.220.0090.00924.06
8.2.210.0130.00626.77
8.2.200.0070.00416.50
8.2.190.0070.00716.75
8.2.180.0100.00718.54
8.2.170.0150.00322.96
8.2.160.0030.01322.03
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0050.00321.05
8.2.120.0040.00426.35
8.2.110.0100.00321.04
8.2.100.0030.00919.28
8.2.90.0000.00917.75
8.2.80.0090.00017.97
8.2.70.0040.00418.03
8.2.60.0020.00518.03
8.2.50.0090.00318.10
8.2.40.0000.00819.18
8.2.30.0000.00720.49
8.2.20.0080.00018.03
8.2.10.0080.00018.22
8.2.00.0000.00817.96
8.1.330.0080.00521.76
8.1.320.0120.00717.92
8.1.310.0110.00718.56
8.1.300.0060.01220.43
8.1.290.0040.00418.88
8.1.280.0070.00725.92
8.1.270.0040.00420.24
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0000.01217.48
8.1.230.0080.00317.88
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0040.00419.13
8.1.180.0000.00818.10
8.1.170.0060.00318.52
8.1.160.0080.00018.76
8.1.150.0020.00518.84
8.1.140.0040.00420.61
8.1.130.0000.00720.30
8.1.120.0040.00417.38
8.1.110.0030.00717.33
8.1.100.0040.00417.37
8.1.90.0040.00417.32
8.1.80.0000.00817.36
8.1.70.0030.00617.32
8.1.60.0060.00317.56
8.1.50.0000.00917.52
8.1.40.0110.00017.41
8.1.30.0080.00017.65
8.1.20.0040.00417.59
8.1.10.0040.00417.50
8.1.00.0020.00517.52
8.0.300.0080.00018.77
8.0.290.0060.00316.63
8.0.280.0070.00018.41
8.0.270.0000.00717.17
8.0.260.0000.00618.39
8.0.250.0030.00316.96
8.0.240.0000.00716.92
8.0.230.0030.00316.91
8.0.220.0030.00616.94
8.0.210.0070.00016.76
8.0.200.0030.00516.93
8.0.190.0080.00016.91
8.0.180.0070.00416.94
8.0.170.0090.00016.90
8.0.160.0000.00716.95
8.0.150.0030.00416.81
8.0.140.0000.00716.83
8.0.130.0000.00613.23
8.0.120.0050.00316.86
8.0.110.0000.00716.77
8.0.100.0000.00816.88
8.0.90.0040.00416.75
8.0.80.0100.00716.92
8.0.70.0000.00716.77
8.0.60.0020.00516.95
8.0.50.0040.00416.88
8.0.30.0110.00817.04
8.0.20.0050.01517.40
8.0.10.0050.00317.01
8.0.00.0060.01216.70
7.4.330.0050.00015.55
7.4.320.0060.00016.54
7.4.300.0060.00016.41
7.4.290.0000.00716.61
7.4.280.0110.00016.48
7.4.270.0030.00316.59
7.4.260.0070.00016.56
7.4.250.0040.00416.50
7.4.240.0030.00316.42
7.4.230.0040.00416.34
7.4.220.0040.00416.61
7.4.210.0020.01316.55
7.4.200.0040.00416.34
7.4.160.0080.00916.54
7.4.140.0110.00817.86
7.4.130.0180.00016.42
7.4.120.0120.00716.48
7.4.110.0040.01516.38
7.4.100.0120.00616.54
7.4.90.0060.01816.56
7.4.80.0090.00919.39
7.4.70.0090.00916.65
7.4.60.0130.00316.32
7.4.50.0120.00316.12
7.4.40.0110.00616.37
7.4.00.0060.01014.94
7.3.330.0060.00013.29
7.3.320.0000.00613.36
7.3.310.0030.00316.41
7.3.300.0000.00716.23
7.3.290.0000.00716.39
7.3.280.0030.01416.33
7.3.260.0080.01016.43
7.3.240.0130.00816.47
7.3.230.0030.01516.63
7.3.210.0150.00616.59
7.3.200.0030.01316.66
7.3.190.0030.01316.27
7.3.180.0090.01216.37
7.3.170.0090.00916.64
7.3.160.0090.01316.42
7.3.120.0110.00715.02
7.3.110.0100.01014.96
7.3.100.0030.01014.96
7.3.90.0040.01414.77
7.3.80.0100.00614.79
7.3.70.0120.00614.83
7.3.60.0050.00514.96
7.3.50.0000.01114.79
7.3.40.0000.01115.00
7.3.30.0070.00714.95
7.3.20.0000.01116.45
7.3.10.0000.01316.66
7.3.00.0060.00316.76
7.2.330.0140.00616.79
7.2.320.0110.01116.49
7.2.310.0130.00316.55
7.2.300.0070.01716.80
7.2.290.0160.00016.63
7.2.250.0100.00715.11
7.2.240.0130.00715.16
7.2.230.0060.01015.36
7.2.220.0060.00915.11
7.2.210.0070.01115.11
7.2.200.0040.01515.04
7.2.190.0080.00615.09
7.2.180.0070.00715.02
7.2.170.0040.01115.15
7.2.100.0080.00814.46
7.2.90.0190.00614.82
7.2.80.1040.01014.82
7.2.70.0090.01215.11
7.2.60.0910.00714.82
7.2.50.3390.00715.16
7.2.40.0160.00814.73
7.2.30.0320.00615.19
7.2.20.2510.00715.12
7.2.10.0160.01015.02
7.2.00.6690.01014.81
7.1.330.0040.00816.05
7.1.320.0000.01215.83
7.1.310.0090.00915.93
7.1.300.0030.00915.71
7.1.290.0090.00015.86
7.1.280.0050.00515.89
7.1.270.0070.01015.89
7.1.260.0070.00715.76
7.1.220.2480.00613.62
7.1.210.0270.00913.72
7.1.200.0290.00313.90
7.1.190.0070.01113.86
7.1.180.0420.00613.97
7.1.170.0190.00913.90
7.1.160.0060.00913.77
7.1.150.0000.01414.18
7.1.140.0270.00313.95
7.1.130.0510.00714.07
7.1.120.2390.01013.89
7.1.110.3380.00714.14
7.1.100.0220.01214.09
7.1.90.0270.00614.11
7.1.80.0140.00313.42
7.1.70.0060.00913.78
7.1.60.0340.00631.94
7.1.50.2230.00631.46
7.1.40.1340.01031.84
7.1.30.1070.01031.59
7.1.20.0420.00731.44
7.1.10.0860.00913.89
7.1.00.0570.00913.79
5.6.380.0090.00914.05

preferences:
101.1 ms | 403 KiB | 5 Q