3v4l.org

run code in 300+ PHP versions simultaneously
<?php function flatMap (array $array, callable $function): array { $output = []; foreach ($array as $value) { $tmp = $function($value); foreach ($tmp as $row) { $output[] = $row; } } return $output; } $example = [ ['schools' => '001|002|003'], ['schools' => '004|005|006'], ['schools' => '007|008|009'], ]; var_dump( flatMap($example, function ($record) { return explode('|', $record['schools']); }) );

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)
8.3.60.0130.00616.63
8.3.50.0110.00416.36
8.3.40.0100.01018.67
8.3.30.0110.00418.68
8.3.20.0000.00720.20
8.3.10.0070.00021.98
8.3.00.0050.00319.23
8.2.180.0100.01018.17
8.2.170.0120.00322.96
8.2.160.0030.01019.34
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0080.00022.26
8.2.120.0060.00326.35
8.2.110.0030.00721.12
8.2.100.0030.00917.91
8.2.90.0040.00419.25
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0030.00618.22
8.2.50.0040.00418.10
8.2.40.0000.00820.46
8.2.30.0040.00419.21
8.2.20.0040.00418.20
8.2.10.0000.00818.29
8.2.00.0030.00318.20
8.1.280.0090.01225.92
8.1.270.0060.00323.98
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0060.00323.92
8.1.230.0090.00319.22
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0040.00417.23
8.1.180.0000.00918.10
8.1.170.0040.00418.48
8.1.160.0050.00218.89
8.1.150.0000.00720.20
8.1.140.0040.00419.58
8.1.130.0000.00718.99
8.1.120.0040.00417.34
8.1.110.0070.00017.47
8.1.100.0050.00317.36
8.1.90.0000.00817.36
8.1.80.0040.00417.47
8.1.70.0040.00417.46
8.1.60.0080.00017.48
8.1.50.0030.00517.53
8.1.40.0000.00817.43
8.1.30.0050.00317.63
8.1.20.0040.00417.63
8.1.10.0000.00817.52
8.1.00.0000.00817.44
8.0.300.0020.00518.77
8.0.290.0000.00716.63
8.0.280.0070.00018.51
8.0.270.0090.00017.26
8.0.260.0070.00019.07
8.0.250.0070.00016.97
8.0.240.0040.00416.93
8.0.230.0000.00716.93
8.0.220.0000.00716.82
8.0.210.0000.00716.98
8.0.200.0000.00617.00
8.0.190.0060.00316.98
8.0.180.0040.00417.02
8.0.170.0040.00416.99
8.0.160.0000.00716.86
8.0.150.0000.00716.99
8.0.140.0030.00516.94
8.0.130.0000.00613.39
8.0.120.0000.00916.83
8.0.110.0040.00417.03
8.0.100.0040.00416.85
8.0.90.0050.00216.94
8.0.80.0130.00316.90
8.0.70.0070.00016.87
8.0.60.0070.00016.92
8.0.50.0000.00716.86
8.0.30.0110.00716.96
8.0.20.0130.00817.40
8.0.10.0040.00416.99
8.0.00.0090.01316.82
7.4.330.0050.00015.55
7.4.320.0000.00716.65
7.4.300.0060.00316.51
7.4.290.0000.00716.63
7.4.280.0040.00416.67
7.4.270.0030.00316.50
7.4.260.0070.00016.50
7.4.250.0000.00716.62
7.4.240.0000.00716.62
7.4.230.0000.00716.33
7.4.220.0080.01216.64
7.4.210.0130.00616.70
7.4.200.0030.00316.36
7.4.160.0110.00716.35
7.4.150.0100.00717.40
7.4.140.0110.00917.86
7.4.130.0100.01416.48
7.4.120.0140.00816.50
7.4.110.0100.00716.48
7.4.100.0070.01016.60
7.4.90.0090.00816.34
7.4.80.0140.00719.39
7.4.70.0140.00716.32
7.4.60.0080.00816.34
7.4.50.0030.01216.51
7.4.40.0020.01416.62
7.4.30.0150.00616.77
7.4.00.0060.00815.18
7.3.330.0030.00313.34
7.3.320.0060.00013.24
7.3.310.0040.00416.30
7.3.300.0030.00316.42
7.3.290.0040.01116.32
7.3.280.0120.00516.33
7.3.270.0100.01417.40
7.3.260.0160.00516.57
7.3.240.0080.01016.40
7.3.230.0100.00716.52
7.3.210.0080.00816.48
7.3.200.0090.00916.29
7.3.190.0090.01316.68
7.3.180.0110.00716.66
7.3.170.0150.00316.46
7.3.160.0160.00316.48
7.3.120.0040.01214.72
7.3.110.0060.01214.94
7.3.100.0090.00915.08
7.3.90.0070.00714.69
7.3.80.0000.01314.87
7.3.70.0040.01114.88
7.3.60.0060.00914.79
7.3.50.0080.00414.94
7.3.40.0070.01014.93
7.3.30.0030.01014.59
7.3.20.0080.00516.69
7.3.10.0070.00416.51
7.3.00.0070.00316.83
7.2.330.0160.00316.81
7.2.320.0130.00616.72
7.2.310.0150.00616.89
7.2.300.0030.01516.54
7.2.290.0060.00916.93
7.2.250.0100.01014.88
7.2.240.0060.00615.18
7.2.230.0030.01015.25
7.2.220.0060.01015.22
7.2.210.0070.00714.90
7.2.200.0030.00715.14
7.2.190.0090.00615.15
7.2.180.0040.01114.86
7.2.170.0070.00414.87
7.2.160.0040.00714.79
7.2.150.0030.00716.96
7.2.140.0040.00817.04
7.2.130.0000.00916.95
7.2.120.0030.01017.02
7.2.110.0110.00417.07
7.2.100.0000.00917.04
7.2.90.0090.00617.17
7.2.80.0060.00617.04
7.2.70.0120.00416.97
7.2.60.0060.01016.63
7.2.50.0000.01617.01
7.2.40.0030.01217.02
7.2.30.0100.00317.05
7.2.20.0030.00916.73
7.2.10.0000.00916.93
7.2.00.0060.00618.31
7.1.330.0030.01315.54
7.1.320.0080.00815.85
7.1.310.0030.00715.77
7.1.300.0080.00315.88
7.1.290.0070.00715.85
7.1.280.0060.00615.81
7.1.270.0110.00415.64
7.1.260.0000.01515.90
7.1.250.0030.00915.88
7.1.240.0070.00715.90
7.1.230.0070.00715.61
7.1.220.0060.01015.89
7.1.210.0030.01015.78
7.1.200.0030.01015.82
7.1.190.0070.00715.88
7.1.180.0060.00315.84
7.1.170.0000.01015.95
7.1.160.0060.00615.72
7.1.150.0040.01115.77
7.1.140.0060.00615.87
7.1.130.0090.00315.85
7.1.120.0070.00715.91
7.1.110.0090.00615.73
7.1.100.0030.01015.60
7.1.90.0000.01015.84
7.1.80.0040.01215.77
7.1.70.0030.01016.53
7.1.60.0000.01416.58
7.1.50.0090.00916.46
7.1.40.0120.00824.98
7.1.30.0110.01325.06
7.1.20.0130.01025.13
7.1.10.0030.01116.16
7.1.00.0050.01016.04
7.0.330.0030.00915.29
7.0.320.0030.00715.40
7.0.310.0030.01015.46
7.0.300.0110.00415.34
7.0.290.0000.01115.39
7.0.280.0060.00615.23
7.0.270.0070.00715.44
7.0.260.0110.00415.58
7.0.250.0080.00815.61
7.0.240.0040.01115.52
7.0.230.0000.01515.17
7.0.220.0000.01415.21
7.0.210.0040.00815.34
7.0.200.0020.00916.00
7.0.190.0100.00315.66
7.0.180.0070.00515.60
7.0.170.0080.00615.74
7.0.160.0060.00815.85
7.0.150.0060.00815.77
7.0.140.0080.00515.93
7.0.130.0050.01015.92
7.0.120.0050.00816.02
7.0.110.0020.01015.75
7.0.100.0040.00715.84
7.0.90.0050.01015.95
7.0.80.0030.01015.87
7.0.70.0050.00515.80
7.0.60.0070.00515.85
7.0.50.0030.01215.93
7.0.40.0050.00715.01
7.0.30.0030.01314.94
7.0.20.0090.00514.97
7.0.10.0020.01014.83
7.0.00.0050.00814.97
5.6.400.0050.00514.12
5.6.390.0000.01413.95
5.6.380.0000.01414.01
5.6.370.0000.00914.24
5.6.360.0090.00613.72
5.6.350.0070.00313.74
5.6.340.0060.00913.79
5.6.330.0040.00413.95
5.6.320.0030.01014.13
5.6.310.0100.00314.39
5.6.300.0030.01214.18
5.6.290.0070.01013.93
5.6.280.0000.01813.89
5.6.270.0070.01014.07
5.6.260.0000.00814.29
5.6.250.0070.00714.23
5.6.240.0090.00614.27
5.6.230.0000.01413.95
5.6.220.0080.00414.18
5.6.210.0080.00814.14
5.6.200.0070.00714.21
5.6.190.0040.00814.21
5.6.180.0030.01014.19
5.6.170.0060.00614.37
5.6.160.0100.00313.82
5.6.150.0030.01314.08
5.6.140.0070.00714.10
5.6.130.0060.00914.19
5.6.120.0100.00714.11
5.6.110.0000.01213.88
5.6.100.0000.01214.37
5.6.90.0130.00014.27
5.6.80.0030.01013.96
5.6.70.0000.01014.04
5.6.60.0030.01013.89
5.6.50.0090.00614.09
5.6.40.0110.00714.19
5.6.30.0070.01013.99
5.6.20.0100.00713.96
5.6.10.0040.01114.04
5.6.00.0070.00713.98

preferences:
31.86 ms | 401 KiB | 5 Q