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.'.')); if ($key === 'foo') print_r($results); } else { $results[$prepend.$key] = $value; } } return $results; } $array = [ 'bar' => [ 'baz' => 1 ], 'foo' => [], ]; print_r(dot($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)
8.3.60.0070.00718.18
8.3.50.0120.00521.13
8.3.40.0120.00318.59
8.3.30.0120.00818.95
8.3.20.0000.00720.13
8.3.10.0040.00423.52
8.3.00.0080.00019.38
8.2.180.0130.00616.38
8.2.170.0110.00422.96
8.2.160.0030.01020.34
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.92
8.2.110.0100.00022.25
8.2.100.0030.00917.75
8.2.90.0050.00319.40
8.2.80.0040.00417.97
8.2.70.0000.00917.75
8.2.60.0050.00318.02
8.2.50.0050.00318.07
8.2.40.0040.00418.16
8.2.30.0000.00717.99
8.2.20.0040.00417.66
8.2.10.0040.00418.11
8.2.00.0050.00317.79
8.1.280.0140.00025.92
8.1.270.0040.00423.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.96
8.1.230.0070.00419.06
8.1.220.0000.00917.74
8.1.210.0000.00918.77
8.1.200.0030.00917.22
8.1.190.0090.00017.23
8.1.180.0000.00818.10
8.1.170.0040.00420.28
8.1.160.0000.00722.00
8.1.150.0050.00218.88
8.1.140.0000.00717.45
8.1.130.0000.00817.73
8.1.120.0070.00017.45
8.1.110.0040.00417.34
8.1.100.0000.00717.46
8.1.90.0040.00417.45
8.1.80.0000.00817.47
8.1.70.0030.00517.37
8.1.60.0130.00217.55
8.1.50.0030.00517.41
8.1.40.0040.00417.57
8.1.30.0050.00317.55
8.1.20.0000.00717.64
8.1.10.0040.00417.47
8.1.00.0020.00517.41
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0000.00718.47
8.0.270.0000.00717.24
8.0.260.0030.00317.26
8.0.250.0000.00716.90
8.0.240.0060.00016.95
8.0.230.0030.00316.94
8.0.220.0070.00016.89
8.0.210.0040.00416.93
8.0.200.0040.00416.92
8.0.190.0000.00716.99
8.0.180.0040.00416.90
8.0.170.0000.00816.86
8.0.160.0050.00216.93
8.0.150.0030.00316.80
8.0.140.0030.00316.88
8.0.130.0030.00313.27
8.0.120.0070.00016.89
8.0.110.0000.00716.79
8.0.100.0050.00316.85
8.0.90.0070.00016.78
8.0.80.0110.01016.84
8.0.70.0040.00416.86
8.0.60.0050.00216.66
8.0.50.0070.00016.70
8.0.30.0160.00317.30
8.0.20.0090.01017.40
8.0.10.0040.00417.06
8.0.00.0090.01116.69
7.4.330.0070.00015.02
7.4.320.0060.00016.43
7.4.300.0030.00316.58
7.4.290.0070.00016.48
7.4.280.0000.00816.63
7.4.270.0030.00316.42
7.4.260.0000.00716.52
7.4.250.0000.00816.41
7.4.240.0050.00216.51
7.4.230.0060.00016.55
7.4.220.0110.00716.66
7.4.210.0120.00916.53
7.4.200.0040.00316.59
7.4.160.0140.00516.33
7.4.150.0060.01517.40
7.4.140.0110.00717.86
7.4.130.0080.00816.64
7.4.120.0060.01016.40
7.4.110.0060.01616.39
7.4.100.0160.00816.44
7.4.90.0040.01316.46
7.4.80.0090.00819.39
7.4.70.0130.00616.46
7.4.60.0080.00816.64
7.4.50.0000.00916.38
7.4.40.0120.00616.25
7.4.30.0150.00616.36
7.4.00.0080.00714.78
7.3.330.0070.00013.23
7.3.320.0000.00513.24
7.3.310.0030.00316.25
7.3.300.0000.00616.24
7.3.290.0090.00716.38
7.3.280.0100.00916.36
7.3.270.0110.01117.40
7.3.260.0080.00916.38
7.3.250.0120.00516.62
7.3.240.0130.00616.60
7.3.230.0060.01016.39
7.3.210.0060.01116.50
7.3.200.0000.01519.39
7.3.190.0110.01216.46
7.3.180.0100.00616.36
7.3.170.0130.00716.65
7.3.160.0070.01016.45
7.3.120.0030.01614.74
7.3.110.0060.01215.09
7.3.100.0060.01014.75
7.3.90.0070.00715.02
7.3.80.0030.01314.77
7.3.70.0090.00314.59
7.3.60.0120.00414.78
7.3.50.0040.00914.77
7.3.40.0000.01614.61
7.3.30.0090.00314.77
7.3.20.0000.01516.61
7.3.10.0050.00816.65
7.3.00.0050.00516.67
7.2.330.0090.01016.76
7.2.320.0120.00416.65
7.2.310.0140.00316.76
7.2.300.0040.01616.78
7.2.290.0070.01316.70
7.2.250.0100.01015.04
7.2.240.0060.01014.85
7.2.230.0040.01114.98
7.2.220.0080.00815.23
7.2.210.0030.01015.18
7.2.200.0030.00915.10
7.2.190.0100.00315.12
7.2.180.0050.00515.18
7.2.170.0000.01115.10
7.2.130.0000.01316.93
7.2.120.0000.01116.77
7.2.110.0040.00717.01
7.2.100.0000.01416.70
7.2.90.0030.00716.99
7.2.80.0030.00917.00
7.2.70.0060.00616.98
7.2.60.0050.00917.02
7.2.50.0060.00516.95
7.2.40.0130.00016.87
7.2.30.0040.00716.79
7.2.20.0030.00716.84
7.2.10.0100.00717.02
7.2.00.0120.00316.65
7.1.330.0130.00315.79
7.1.320.0000.01515.71
7.1.310.0000.01415.73
7.1.300.0030.01215.77
7.1.290.0100.00715.78
7.1.280.0100.00315.91
7.1.270.0060.00315.74
7.1.260.0060.00915.85
7.1.250.0030.00715.99
7.1.200.0200.00015.74
7.1.70.0040.00417.09
7.1.60.0100.01319.32
7.1.50.0040.01516.78
7.1.00.0100.06722.28
7.0.200.0000.01016.61
7.0.140.0030.07322.00
7.0.60.0270.06319.92
7.0.50.0170.07017.95
7.0.40.0030.09020.40
7.0.30.0270.04020.08
7.0.20.0370.04720.12
7.0.10.0070.07320.07
7.0.00.0130.07720.27
5.6.280.0000.07721.15
5.6.210.0030.07020.45
5.6.200.0100.05318.18
5.6.190.0070.04720.33
5.6.180.0370.07020.33
5.6.170.0330.04720.54
5.6.160.0030.06320.55
5.6.150.0030.03718.25
5.6.140.0000.04318.24
5.6.130.0100.05318.16
5.6.120.0070.07721.10
5.6.110.0000.07721.02
5.6.100.0100.08321.13
5.6.90.0130.07721.13
5.6.80.0070.08320.38
5.5.350.4030.03720.39
5.5.340.0030.03717.98
5.5.330.0130.04320.40
5.5.320.0130.04720.29
5.5.310.0270.07720.30
5.5.300.0030.03718.01
5.5.290.0030.08718.05
5.5.280.0170.05020.97
5.5.270.0000.04720.97
5.5.260.0070.04020.95
5.5.250.0030.06720.62
5.5.240.0030.08320.04
5.4.450.3600.04019.30
5.4.440.0030.03719.39
5.4.430.1200.05019.36
5.4.420.3870.03719.53
5.4.410.4170.03019.14
5.4.400.4470.04319.18
5.4.390.4230.04319.12
5.4.380.4200.03318.96
5.4.370.4130.03319.13
5.4.360.3800.03719.12
5.4.350.4430.04018.97
5.4.340.4130.03719.10
5.4.320.3700.04019.22
5.4.310.3800.03319.22
5.4.300.3570.03719.21
5.4.290.3630.03719.14
5.4.280.4030.03718.96
5.4.270.3630.04018.98
5.4.260.4070.04318.95
5.4.250.3670.03719.20
5.4.240.3700.03319.11
5.4.230.3900.03319.03
5.4.220.0000.04719.05
5.4.210.0070.03319.06
5.4.200.3970.04019.03
5.4.190.4600.03719.17
5.4.180.4300.03719.11
5.4.170.4470.04019.05
5.4.160.4200.03719.09
5.4.150.3870.03718.93
5.4.140.4600.02716.49
5.4.130.3570.03716.49
5.4.120.0030.07016.46
5.4.110.2200.05016.26
5.4.100.3930.02716.44
5.4.90.3870.03716.55
5.4.80.3630.03716.46
5.4.70.3970.03316.43
5.4.60.3770.04016.24
5.4.50.3570.03716.50
5.4.40.3600.03316.24
5.4.30.3600.03316.41
5.4.20.3630.03316.45
5.4.10.3430.04016.52
5.4.00.3970.01715.98
5.3.290.3670.04314.81
5.3.280.3670.04314.63
5.3.270.4200.03314.76
5.3.260.4500.04314.49
5.3.250.4400.04014.65
5.3.240.4270.03714.64
5.3.230.4370.04314.60
5.3.220.0030.07714.50
5.3.210.0030.07714.61
5.3.200.3800.03714.45
5.3.190.3900.04314.63
5.3.180.3600.04014.57
5.3.170.3670.03714.56
5.3.160.3600.03314.48
5.3.150.3400.03714.63
5.3.140.3530.04014.71
5.3.130.3530.04014.70
5.3.120.3570.03714.71
5.3.110.3000.03314.54
5.3.100.3670.03314.11
5.3.90.3930.04014.03
5.3.80.3800.03714.02
5.3.70.3630.03014.16
5.3.60.3470.04014.16
5.3.50.3670.03014.01
5.3.40.4170.03314.00
5.3.30.3670.04313.85
5.3.20.4100.03713.73
5.3.10.4030.03313.71
5.3.00.3570.03313.62
5.2.170.3200.03011.30
5.2.160.3070.03311.31
5.2.150.3770.03011.20
5.2.140.3570.03011.04
5.2.130.3170.03311.25
5.2.120.3270.02711.05
5.2.110.3300.02311.14
5.2.100.3330.03011.07
5.2.90.3000.02711.25
5.2.80.3330.02011.12
5.2.70.3330.02711.17
5.2.60.3770.02311.09
5.2.50.3700.03011.06
5.2.40.3170.03010.91
5.2.30.2530.03010.89
5.2.20.2830.03310.97
5.2.10.2930.03010.87
5.2.00.3130.04310.72
5.1.60.3270.02010.05
5.1.50.2870.0209.96
5.1.40.3000.0239.97
5.1.30.3200.02710.39
5.1.20.3200.02710.37
5.1.10.2200.02710.09
5.1.00.2830.0239.98
5.0.50.1670.0238.54
5.0.40.1500.0178.55
5.0.30.1400.0338.19
5.0.20.1770.0208.11
5.0.10.1600.0208.14
5.0.00.1700.0308.07
4.4.90.1370.0206.24
4.4.80.1530.0136.24
4.4.70.1430.0136.24
4.4.60.1400.0176.24
4.4.50.1570.0176.24
4.4.40.1630.0276.24
4.4.30.1770.0176.24
4.4.20.1830.0136.24
4.4.10.1630.0206.24
4.4.00.1430.0276.24
4.3.110.1430.0136.24
4.3.100.1530.0136.24
4.3.90.1400.0176.24
4.3.80.1400.0236.24
4.3.70.1800.0176.24
4.3.60.1770.0206.24
4.3.50.1870.0136.24
4.3.40.1800.0236.24
4.3.30.1000.0236.24
4.3.20.0930.0236.24
4.3.10.1030.0236.24
4.3.00.1000.0206.24

preferences:
49.46 ms | 401 KiB | 5 Q