3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( 'green' => 'keyword', 'orange', 'keyword', 'black' => array( 'purple' => 'text', 'brown', 'pink' => 'keyword' ), 'white' => array( 'red', 'yellow' => 'keyword', 'blue' ), 'violet', 'gray' ); $arr = array(); $str = 'keyword'; $arr[] = array_filter($array, function($var) use ($str) { global $arr; if(is_array($var)){ $arr[] = array_filter($var, function($var2) use ($str) { return preg_match("/$str/i", $var2); }); }else{ return preg_match("/$str/i", $var); } }); function getL2Keys($array){ $result = array(); foreach($array as $sub) { $result = array_merge($result, $sub); } return $result; } $arr = getL2Keys($arr); echo '<pre>'; print_r($arr);

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)
8.3.70.0120.00916.74
8.3.60.0100.01016.88
8.3.50.0070.01022.05
8.3.40.0090.00618.86
8.3.30.0110.00418.78
8.3.20.0070.00019.16
8.3.10.0040.00421.73
8.3.00.0040.00419.14
8.2.180.0040.01218.54
8.2.170.0120.00422.96
8.2.160.0070.00722.25
8.2.150.0030.00624.18
8.2.140.0000.00824.66
8.2.130.0080.00017.80
8.2.120.0040.00426.16
8.2.110.0070.00321.02
8.2.100.0040.00717.93
8.2.90.0000.00819.36
8.2.80.0030.00618.16
8.2.70.0060.00317.75
8.2.60.0000.01017.92
8.2.50.0080.00018.07
8.2.40.0000.01020.46
8.2.30.0000.00719.44
8.2.20.0080.00017.99
8.2.10.0000.00718.12
8.2.00.0090.00018.21
8.1.280.0090.00625.92
8.1.270.0080.00023.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0120.00922.54
8.1.230.0030.00920.95
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0040.00417.48
8.1.190.0000.00817.36
8.1.180.0000.00918.10
8.1.170.0080.00018.71
8.1.160.0040.00420.75
8.1.150.0000.00718.93
8.1.140.0040.00419.61
8.1.130.0070.00017.81
8.1.120.0070.00417.51
8.1.110.0000.00817.53
8.1.100.0070.00017.51
8.1.90.0000.00817.55
8.1.80.0000.00717.54
8.1.70.0000.00717.55
8.1.60.0040.00417.66
8.1.50.0040.00417.71
8.1.40.0000.00817.73
8.1.30.0030.00517.70
8.1.20.0040.00417.73
8.1.10.0040.00417.66
8.1.00.0040.00417.60
8.0.300.0000.00818.77
8.0.290.0000.00716.88
8.0.280.0000.00818.49
8.0.270.0000.00717.25
8.0.260.0000.00817.22
8.0.250.0000.00717.10
8.0.240.0060.00017.17
8.0.230.0000.00717.09
8.0.220.0060.00317.03
8.0.210.0040.00417.01
8.0.200.0000.00717.10
8.0.190.0090.00317.00
8.0.180.0000.00717.04
8.0.170.0030.00516.89
8.0.160.0070.00317.08
8.0.150.0040.00417.03
8.0.140.0040.00417.01
8.0.130.0000.00613.43
8.0.120.0040.00417.00
8.0.110.0000.00717.09
8.0.100.0000.00717.14
8.0.90.0000.00717.00
8.0.80.0100.00717.01
8.0.70.0000.00816.87
8.0.60.0040.00417.11
8.0.50.0040.00416.86
8.0.30.0080.00817.39
8.0.20.0130.00717.41
8.0.10.0070.00017.11
8.0.00.0120.00617.17
7.4.330.0030.00315.08
7.4.320.0030.00416.70
7.4.300.0060.00016.82
7.4.290.0030.00316.80
7.4.280.0000.01016.84
7.4.270.0030.00316.74
7.4.260.0000.00716.72
7.4.250.0000.00716.64
7.4.240.0040.00416.68
7.4.230.0050.00316.77
7.4.220.0170.01016.77
7.4.210.0080.01016.86
7.4.200.0050.00216.62
7.4.160.0120.00616.66
7.4.150.0170.00017.40
7.4.140.0100.00717.86
7.4.130.0090.00816.72
7.4.120.0110.00616.67
7.4.110.0070.01016.69
7.4.100.0160.00716.70
7.4.90.0070.01016.81
7.4.80.0070.01019.39
7.4.70.0100.00716.71
7.4.60.0100.00716.58
7.4.50.0060.01016.89
7.4.40.0110.01016.73
7.4.30.0100.00616.71
7.4.00.0060.00915.18
7.3.330.0050.00013.47
7.3.320.0060.00013.34
7.3.310.0070.00016.42
7.3.300.0050.00216.47
7.3.290.0000.00716.49
7.3.280.0100.00916.51
7.3.270.0070.01117.40
7.3.260.0090.00816.70
7.3.250.0140.00716.65
7.3.240.0100.00916.67
7.3.230.0150.00916.91
7.3.210.0100.00616.46
7.3.200.0070.01016.49
7.3.190.0030.01416.87
7.3.180.0060.00916.87
7.3.170.0060.01016.83
7.3.160.0130.00316.77
7.3.10.0090.00916.55
7.3.00.0060.00616.50
7.2.330.0110.00616.68
7.2.320.0120.01216.95
7.2.310.0070.01016.90
7.2.300.0140.01116.64
7.2.290.0090.00916.87
7.2.130.0190.00016.96
7.2.120.0150.00516.41
7.2.110.0130.00316.70
7.2.100.0070.01016.70
7.2.90.0150.00917.11
7.2.80.0090.00816.75
7.2.70.0100.01416.51
7.2.60.0100.00916.99
7.2.50.0210.00316.87
7.2.40.0130.01617.09
7.2.30.0160.00817.19
7.2.20.0220.00316.83
7.2.10.0220.00416.72
7.2.00.0070.00818.24
7.1.250.0110.00815.47
7.1.200.0060.00616.17
7.1.100.0050.00518.22
7.1.70.0030.00717.13
7.1.60.0120.00919.85
7.1.00.0070.07322.41
7.0.200.0070.00316.83
7.0.60.0200.06019.94
7.0.50.0130.05720.30
7.0.40.0200.05720.25
7.0.30.0170.06020.34
7.0.20.0200.05720.46
7.0.10.0230.06320.24
7.0.00.0230.05320.33
5.6.280.0130.06320.87
5.6.210.0130.05720.57
5.6.200.0230.05321.19
5.6.190.0100.06021.23
5.6.180.0130.05721.03
5.6.170.0230.05021.14
5.6.160.0300.04721.04
5.6.150.0100.06321.13
5.6.140.0170.06321.19
5.6.130.0270.05321.05
5.6.120.0070.07021.13
5.6.110.0200.05321.05
5.6.100.0200.06021.05
5.6.90.0100.06321.16
5.6.80.0130.06320.61
5.6.70.0200.05320.45
5.6.60.0130.05720.41
5.6.50.0200.05720.46
5.6.40.0170.05320.42
5.6.30.0170.05320.49
5.6.20.0300.04020.40
5.6.10.0230.04720.32
5.6.00.0200.05020.37
5.5.350.0170.06020.51
5.5.340.0200.05020.81
5.5.330.0300.04320.85
5.5.320.0230.05320.86
5.5.310.0230.05321.01
5.5.300.0100.06320.85
5.5.290.0200.06021.04
5.5.280.0200.05320.88
5.5.270.0100.07320.72
5.5.260.0200.05721.03
5.5.250.0170.06020.61
5.5.240.0170.05720.21
5.5.230.0100.06320.22
5.5.220.0270.04320.27
5.5.210.0130.06020.35
5.5.200.0170.05720.13
5.5.190.0100.06320.21
5.5.180.0130.06020.20
5.5.160.0230.05020.23
5.5.150.0170.05020.23
5.5.140.0100.05720.07
5.5.130.0070.06020.16
5.5.120.0070.06020.36
5.5.110.0200.05020.17
5.5.100.0170.05320.29
5.5.90.0170.05020.09
5.5.80.0130.05320.12
5.5.70.0170.06020.05
5.5.60.0130.05320.05
5.5.50.0330.03320.20
5.5.40.0100.05720.19
5.5.30.0100.06020.01
5.5.20.0170.05320.20
5.5.10.0130.05719.96
5.5.00.0170.06320.21

preferences:
60.49 ms | 401 KiB | 5 Q