3v4l.org

run code in 300+ PHP versions simultaneously
<?php function dot($array, $prepend = '') { $results = array(); foreach ($array as $key => $value) { if (is_array($value)) { $results = array_merge($results, dot($value, $prepend.$key.'.')); print_r($value); } else { $results[$prepend.$key] = $value; } } return $results; } $array = [ 'foo' => [], 'bar' => [ 'baz' => 1 ] ]; print_r(dot($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)
8.3.60.0110.00718.20
8.3.50.0250.00921.98
8.3.40.0100.00318.76
8.3.30.0110.00419.04
8.3.20.0000.00820.13
8.3.10.0030.00523.48
8.3.00.0080.00019.50
8.2.180.0150.00016.38
8.2.170.0070.01422.96
8.2.160.0030.01020.39
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0040.00422.04
8.2.110.0100.00021.11
8.2.100.0000.01117.63
8.2.90.0000.00719.10
8.2.80.0040.00417.97
8.2.70.0090.00017.75
8.2.60.0000.00817.92
8.2.50.0080.00018.07
8.2.40.0000.00818.34
8.2.30.0040.00418.12
8.2.20.0000.00817.70
8.2.10.0040.00418.04
8.2.00.0000.00817.64
8.1.280.0170.00325.92
8.1.270.0030.00522.19
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00324.02
8.1.230.0080.00318.85
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0090.00017.35
8.1.190.0000.00817.35
8.1.180.0000.00718.10
8.1.170.0060.00320.27
8.1.160.0000.00722.05
8.1.150.0070.00018.92
8.1.140.0040.00417.37
8.1.130.0000.00717.68
8.1.120.0000.00817.42
8.1.110.0050.00317.44
8.1.100.0080.00017.34
8.1.90.0000.00717.46
8.1.80.0000.00817.45
8.1.70.0050.00317.44
8.1.60.0050.00817.51
8.1.50.0050.00317.55
8.1.40.0040.00417.38
8.1.30.0000.00817.68
8.1.20.0070.00017.61
8.1.10.0050.00317.42
8.1.00.0000.00717.44
8.0.300.0050.00218.77
8.0.290.0040.00416.63
8.0.280.0030.00318.50
8.0.270.0000.00717.19
8.0.260.0030.00318.32
8.0.250.0030.00316.96
8.0.240.0070.00016.95
8.0.230.0000.00716.90
8.0.220.0050.00216.85
8.0.210.0030.00316.93
8.0.200.0030.00316.81
8.0.190.0040.00416.97
8.0.180.0000.00716.94
8.0.170.0040.00416.88
8.0.160.0030.00316.80
8.0.150.0000.00816.74
8.0.140.0040.00416.81
8.0.130.0000.00613.38
8.0.120.0040.00416.83
8.0.110.0040.00416.93
8.0.100.0000.00716.95
8.0.90.0040.00416.82
8.0.80.0130.01316.95
8.0.70.0040.00416.72
8.0.60.0070.00016.91
8.0.50.0050.00316.72
8.0.30.0170.00316.90
8.0.20.0110.01117.40
8.0.10.0070.00017.05
8.0.00.0090.00916.75
7.4.330.0000.00715.02
7.4.320.0060.00016.66
7.4.300.0030.00316.59
7.4.290.0030.00316.60
7.4.280.0000.00716.54
7.4.270.0000.00716.58
7.4.260.0030.00616.57
7.4.250.0050.00216.39
7.4.240.0020.00516.48
7.4.230.0050.00216.58
7.4.220.0030.01416.62
7.4.210.0070.01416.60
7.4.200.0030.00316.39
7.4.160.0120.00416.66
7.4.150.0170.00317.40
7.4.140.0120.00517.86
7.4.130.0110.00816.50
7.4.120.0070.01116.59
7.4.110.0120.00616.48
7.4.100.0150.00416.54
7.4.90.0060.01116.41
7.4.80.0130.00319.39
7.4.70.0100.01116.35
7.4.60.0110.00916.60
7.4.50.0030.00616.24
7.4.40.0120.00616.52
7.4.30.0030.01416.39
7.4.00.0180.00015.16
7.3.330.0030.00313.32
7.3.320.0050.00013.38
7.3.310.0040.00416.31
7.3.300.0030.00316.41
7.3.290.0110.00716.35
7.3.280.0080.00816.37
7.3.270.0110.01717.40
7.3.260.0000.01716.55
7.3.250.0090.00916.43
7.3.240.0110.00616.40
7.3.230.0070.01016.39
7.3.210.0090.00816.50
7.3.200.0120.00319.39
7.3.190.0090.00916.33
7.3.180.0070.01016.65
7.3.170.0120.00316.45
7.3.160.0090.00916.60
7.3.00.0070.00716.79
7.2.330.0060.01216.69
7.2.320.0120.00316.87
7.2.310.0090.00916.85
7.2.300.0060.01116.75
7.2.290.0100.01516.39
7.2.130.0070.00717.05
7.2.120.0070.00716.54
7.2.110.0000.01216.99
7.2.100.0030.01116.90
7.2.90.0040.00717.01
7.2.80.0060.00616.56
7.2.70.0030.00616.80
7.2.60.0000.01417.05
7.2.50.0000.00816.80
7.2.40.0030.00516.85
7.2.30.0090.00617.04
7.2.20.0070.00716.72
7.2.10.0060.00616.96
7.2.00.0040.00718.28
7.1.250.0040.00415.80
7.1.240.0000.01115.53
7.1.230.0130.00315.52
7.1.220.0000.01015.85
7.1.210.0130.00315.57
7.1.200.0040.00615.85
7.1.190.0100.00715.35
7.1.180.0060.00615.64
7.1.170.0090.00615.62
7.1.160.0000.00815.62
7.1.150.0020.00515.82
7.1.140.0000.01315.91
7.1.130.0040.00415.57
7.1.120.0070.00315.84
7.1.110.0050.00315.70
7.1.100.0020.00917.09
7.1.90.0060.00615.69
7.1.80.0030.00515.65
7.1.70.0030.00916.48
7.1.60.0060.01117.61
7.1.50.0060.00616.24
7.1.40.0050.00515.74
7.1.30.0060.00615.68
7.1.20.0090.00315.89
7.1.10.0000.01515.92
7.1.00.0030.04119.02
7.0.330.0080.00415.45
7.0.320.0060.00615.36
7.0.310.0040.01115.46
7.0.300.0030.00615.24
7.0.290.0070.00715.56
7.0.280.0060.00615.59
7.0.270.0060.00615.25
7.0.260.0060.00315.54
7.0.250.0060.00615.32
7.0.240.0050.00515.54
7.0.230.0060.00615.25
7.0.220.0040.00415.41
7.0.210.0000.00815.23
7.0.200.0040.00516.11
7.0.190.0070.00315.36
7.0.180.0040.00415.12
7.0.170.0070.00715.59
7.0.160.0110.00415.10
7.0.150.0150.00015.50
7.0.140.0050.04018.73
7.0.130.0080.00415.62
7.0.120.0040.01115.27
7.0.110.0070.00715.46
7.0.100.0080.00815.43
7.0.90.0040.00415.54
7.0.80.0030.00915.17
7.0.70.0030.00915.42
7.0.60.0060.03817.69
7.0.50.0020.04816.80
7.0.40.0070.02316.88
7.0.30.0170.04016.91
7.0.20.0170.04516.84
7.0.10.0100.04416.79
7.0.00.0100.02016.93
5.6.380.0000.01114.54
5.6.370.0060.00914.46
5.6.360.0050.00314.57
5.6.350.0110.00414.40
5.6.340.0030.00714.18
5.6.330.0150.00014.66
5.6.320.0070.00214.71
5.6.310.0060.00314.85
5.6.300.0040.00814.55
5.6.290.0060.00314.66
5.6.280.0030.04117.71
5.6.270.0100.00614.57
5.6.260.0030.00814.45
5.6.250.0000.01314.46
5.6.240.0070.00314.50
5.6.230.0070.00714.52
5.6.220.0030.00614.36
5.6.210.0070.02017.46
5.6.200.0100.03016.29
5.6.190.0020.03217.26
5.6.180.0130.02517.47
5.6.170.0150.04317.42
5.6.160.0020.02517.42
5.6.150.0130.01716.21
5.6.140.0020.03416.40
5.6.130.0050.04216.18
5.6.120.0070.03717.67
5.6.110.0020.02617.59
5.6.100.0070.03517.79
5.6.90.0150.03817.71
5.6.80.0050.03717.38
5.6.70.1900.01617.33
5.6.60.0120.00014.35
5.6.50.0100.00314.40
5.6.40.0000.00914.45
5.6.30.0030.01014.46
5.6.20.0040.00414.44
5.6.10.0030.01014.08
5.6.00.0100.00314.13
5.5.380.0050.00211.50
5.5.370.0050.00310.96
5.5.360.0070.00411.15
5.5.350.0170.03915.76
5.5.340.0040.02214.65
5.5.330.0020.03715.87
5.5.320.0190.03915.72
5.5.310.0130.03515.86
5.5.300.0050.02814.49
5.5.290.0090.04314.60
5.5.280.0050.04216.02
5.5.270.0070.03816.13
5.5.260.0110.03516.10
5.5.250.0080.04615.81
5.5.240.0160.04015.77
5.5.230.0040.00811.25
5.5.220.0030.00311.23
5.5.210.0090.00311.18
5.5.200.0040.00411.33
5.5.190.0030.00611.05
5.5.180.0050.00311.39
5.5.170.0030.00610.87
5.5.160.0000.01111.29
5.5.150.0030.00611.35
5.5.140.0090.00011.25
5.5.130.0050.00011.05
5.5.120.0000.01110.88
5.5.110.0000.01011.10
5.5.100.0060.00311.32
5.5.90.0080.00011.24
5.5.80.0000.01010.96
5.5.70.0000.01111.00
5.5.60.0070.00311.39
5.5.50.0090.00010.88
5.5.40.0110.00011.22
5.5.30.0070.00311.23
5.5.20.0070.00311.34
5.5.10.0070.00311.25
5.5.00.0060.00611.21
5.4.450.0370.03515.22
5.4.440.0440.03115.38
5.4.430.0350.03315.42
5.4.420.0440.03515.21
5.4.410.0370.03015.49
5.4.400.0030.03515.23
5.4.390.0480.04514.86
5.4.380.0430.02615.26
5.4.370.0410.02615.36
5.4.360.0380.03314.83
5.4.350.0370.03515.22
5.4.340.0030.02211.67
5.4.330.0060.00311.00
5.4.320.0020.02111.86
5.4.310.0050.02111.74
5.4.300.0050.02111.92
5.4.290.0040.02411.76
5.4.280.0020.02711.68
5.4.270.0040.02211.77
5.4.260.0040.02311.54
5.4.250.0040.02111.78
5.4.240.0050.01911.66
5.4.230.0080.01911.85
5.4.220.0060.01911.78
5.4.210.0070.02211.53
5.4.200.0030.02511.64
5.4.190.0050.02211.50
5.4.180.0090.01711.72
5.4.170.0060.01911.73
5.4.160.0050.02211.74
5.4.150.0090.01711.72
5.4.140.0040.02411.52
5.4.130.0060.02011.75
5.4.120.0070.02111.40
5.4.110.0020.02811.57
5.4.100.0060.02511.59
5.4.90.0060.02211.44
5.4.80.0040.02411.58
5.4.70.0070.02111.53
5.4.60.0090.01811.53
5.4.50.0060.02611.55
5.4.40.0120.02111.44
5.4.30.0060.02611.51
5.4.20.0050.02911.50
5.4.10.0040.02911.63
5.4.00.0110.02511.34
5.3.290.0060.02811.60
5.3.280.0060.02611.34
5.3.270.0040.02811.39
5.3.260.0040.02411.54
5.3.250.0050.02711.52
5.3.240.0020.03011.45
5.3.230.0070.02311.53
5.3.220.0040.02211.46
5.3.210.0060.02211.34
5.3.200.0050.02111.44
5.3.190.0070.02111.39
5.3.180.0060.01911.55
5.3.170.0040.02011.46
5.3.160.0050.02311.56
5.3.150.0050.02311.54
5.3.140.0060.02411.49
5.3.130.0120.02311.37
5.3.120.0090.02011.37
5.3.110.0120.02011.50
5.3.100.0130.01811.18
5.3.90.0070.02011.28
5.3.80.0080.02511.11
5.3.70.0100.02011.18
5.3.60.0090.01811.23
5.3.50.0080.02011.16
5.3.40.0070.02011.14
5.3.30.0040.02211.01
5.3.20.0040.02211.00
5.3.10.0030.02110.89
5.3.00.0070.01910.78
5.2.170.0030.0209.29
5.2.160.0100.0149.18
5.2.150.0050.0249.27
5.2.140.0070.0249.26
5.2.130.0060.0229.27
5.2.120.0060.0189.12
5.2.110.0040.0169.30
5.2.100.0040.0189.13
5.2.90.0050.0159.09
5.2.80.0030.0229.15
5.2.70.0050.0209.13
5.2.60.0070.0139.18
5.2.50.0050.0199.19
5.2.40.0020.0209.16
5.2.30.0040.0189.02
5.2.20.0040.0179.08
5.2.10.0040.0218.84
5.2.00.0080.0198.73
5.1.60.0040.0138.21
5.1.50.0010.0178.21
5.1.40.0040.0148.32
5.1.30.0050.0148.37
5.1.20.0050.0168.38
5.1.10.0060.0178.33
5.1.00.0020.0238.25
5.0.50.0050.0147.49
5.0.40.0040.0117.42
5.0.30.0040.0157.32
5.0.20.0020.0127.30
5.0.10.0030.0107.30
5.0.00.0030.0167.29
4.4.90.0030.0086.55
4.4.80.0010.0116.54
4.4.70.0020.0096.54
4.4.60.0020.0096.54
4.4.50.0030.0086.55
4.4.40.0020.0146.52
4.4.30.0020.0106.54
4.4.20.0020.0106.59
4.4.10.0030.0096.59
4.4.00.0020.0146.54
4.3.110.0030.0096.50
4.3.100.0030.0096.50
4.3.90.0020.0106.48
4.3.80.0020.0146.46
4.3.70.0020.0106.48
4.3.60.0030.0076.47
4.3.50.0020.0116.48
4.3.40.0020.0166.43
4.3.30.0000.0115.82
4.3.20.0020.0105.80
4.3.10.0020.0105.79
4.3.00.0030.0157.66

preferences:
41.44 ms | 401 KiB | 5 Q