3v4l.org

run code in 300+ PHP versions simultaneously
<?php $first = [ 'A' => 'B', 'c' => 'd', 'E' => 'f', 'g' => 'H', 'k' => 'F', 'm' => 'n', 'o' => 'p', ]; $second = [ 'a' => 'b', 'A' => 'b', 'C' => 'd', 'c' => 'D', 'e' => 'F', 'G' => 'H', 'i' => 'B', 'J' => 'D', 'm' => 'N', 'M' => 'n', 'O' => 'r', ]; echo "array_diff()\n"; var_export(array_diff($first, $second)); // case-sensitive value echo "\n---\narray_diff_key()\n"; var_export(array_diff_key($first, $second)); // case-sensitive key echo "\n---\narray_diff_ukey()\n"; var_export(array_diff_ukey($first, $second, 'strcasecmp')); // case-insensitive key echo "\n---\narray_diff_assoc()\n"; var_export(array_diff_assoc($first, $second)); // case-sensitive key, case-sensitive value echo "\n---\narray_diff_uassoc()\n"; var_export(array_diff_uassoc($first, $second, 'strcasecmp')); // first-occurring, case-insensitive key, case-sensitive value echo "\n---\narray_udiff()\n"; var_export(array_udiff($first, $second, 'strcasecmp')); // case-insensitive, value-only echo "\n---\narray_udiff_assoc()\n"; var_export(array_udiff_assoc($first, $second, 'strcasecmp')); // case-sensitive key, case-insensitive value echo "\n---\narray_udiff_uassoc()\n"; var_export(array_udiff_uassoc($first, $second, 'strcasecmp', 'strcasecmp')); // case-insensitive key, case-insensitive value

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)
8.4.120.0080.00320.71
8.4.110.0140.00620.50
8.4.100.0140.00718.84
8.4.90.0110.00920.77
8.4.80.0080.01118.76
8.4.70.0150.00317.94
8.4.60.0100.01118.93
8.4.50.0030.01017.98
8.4.40.0100.01017.55
8.4.30.0090.01020.24
8.4.20.0080.01219.33
8.4.10.0170.00319.34
8.3.250.0090.00818.89
8.3.240.0100.00918.00
8.3.230.0100.00616.29
8.3.220.0110.00418.82
8.3.210.0090.00416.36
8.3.200.0070.00216.49
8.3.190.0020.00618.99
8.3.180.0070.00718.50
8.3.170.0120.00618.98
8.3.160.0110.00716.61
8.3.150.0090.00917.14
8.3.140.0000.00916.67
8.3.130.0000.01016.50
8.3.120.0060.00318.96
8.3.110.0050.00518.10
8.3.100.0040.00418.19
8.3.90.0040.00418.58
8.3.80.0090.00018.30
8.3.70.0090.00916.25
8.3.60.0120.00618.18
8.3.50.0150.00320.23
8.3.40.0110.00419.96
8.3.30.0110.00418.72
8.3.20.0040.00424.18
8.3.10.0060.00324.66
8.3.00.0070.00026.16
8.2.290.0120.00620.26
8.2.280.0060.00220.34
8.2.270.0080.00017.11
8.2.260.0110.00719.23
8.2.250.0150.00316.49
8.2.240.0060.01216.91
8.2.230.0070.00020.94
8.2.220.0060.01024.06
8.2.210.0070.01126.77
8.2.200.0050.00518.15
8.2.190.0140.00416.58
8.2.180.0140.00716.50
8.2.170.0140.00018.96
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0070.00026.16
8.2.110.0030.00622.13
8.2.100.0100.00717.78
8.2.90.0040.00419.21
8.2.80.0050.00317.97
8.2.70.0070.00417.50
8.2.60.0040.00418.04
8.2.50.0080.00418.07
8.2.40.0000.00818.03
8.2.30.0000.00718.02
8.2.20.0040.00420.52
8.2.10.0030.00617.66
8.2.00.0020.00519.26
8.1.330.0110.00821.90
8.1.320.0050.00416.18
8.1.310.0110.00416.62
8.1.300.0040.00416.76
8.1.290.0090.00030.84
8.1.280.0110.00625.92
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00620.74
8.1.230.0120.00017.77
8.1.220.0040.00417.79
8.1.210.0030.00518.77
8.1.200.0040.00417.36
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0000.00818.59
8.1.160.0000.00718.78
8.1.150.0070.00418.51
8.1.140.0040.00417.37
8.1.130.0040.00420.57
8.1.120.0030.00717.45
8.1.110.0070.00417.39
8.1.100.0000.00717.48
8.1.90.0000.00817.41
8.1.80.0030.00617.44
8.1.70.0080.00017.45
8.1.60.0050.00317.57
8.1.50.0040.00417.38
8.1.40.0030.00517.54
8.1.30.0030.00617.51
8.1.20.0210.00317.64
8.1.10.0170.00717.54
8.1.00.0170.00717.30
8.0.300.0000.00918.77
8.0.290.0030.00516.88
8.0.280.0030.00620.11
8.0.270.0000.00718.09
8.0.260.0040.00418.48
8.0.250.0030.00316.94
8.0.240.0000.00816.97
8.0.230.0070.00016.81
8.0.220.0040.00416.89
8.0.210.0030.00316.72
8.0.200.0030.00316.92
8.0.190.0050.00316.89
8.0.180.0040.00416.93
8.0.170.0040.00416.84
8.0.160.0040.00416.84
8.0.150.0150.00316.67
8.0.140.0140.00516.64
8.0.130.0120.00716.83
8.0.120.0170.00416.80
8.0.110.0100.01016.77
8.0.100.0130.00516.87
8.0.90.0150.00316.75
8.0.80.0160.00316.85
8.0.70.0100.00716.71
8.0.60.0130.00616.78
8.0.50.0150.00416.89
8.0.30.0200.00016.94
8.0.20.0120.00916.93
8.0.10.0150.00616.92
7.4.330.0000.00515.55
7.4.320.0030.00316.56
7.4.300.0060.00016.42
7.4.290.0050.00316.48
7.4.280.0050.00316.56
7.4.270.0080.00016.39
7.4.260.0130.00716.54
7.4.250.0160.00716.45
7.4.240.0160.00616.56
7.4.230.0190.00316.34
7.4.220.0200.00016.49
7.4.210.0200.00016.55
7.4.200.0080.00816.53
7.4.190.0140.00216.55
7.4.180.0130.00716.52
7.4.160.0080.00816.50
7.4.150.0110.00416.47
7.4.140.0100.01016.22
7.4.130.0080.00816.27
7.4.120.0130.00416.39
7.4.110.0080.00816.34
7.4.100.0040.00716.35
7.4.90.0080.00816.38
7.4.80.0150.00416.38
7.4.70.0130.00316.30
7.4.60.0120.00016.53
7.4.50.0130.00016.23
7.4.40.0080.00816.31
7.4.30.0150.00016.22
7.4.20.0120.00016.44
7.4.10.0100.00316.36
7.4.00.0100.00716.45

preferences:
28.17 ms | 403 KiB | 5 Q