3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array_1=array("1a-dogs","2a-cats","3a-birds","4a-people"); $array_2=array("4a-walking","2a-cats"); function getKeyStartingWith($array, $startVal){ foreach($array as $key => $val){ if(strpos($val, $startVal) === 0){ return $key; } } return false; } function getMergedArray($array_1, $array_2){ $array_3 = array(); foreach($array_1 as $key => $val){ $startVal = substr($val, 0, 2); $array_2_key = getKeyStartingWith($array_2, $startVal); if($array_2_key !== false){ $array_3[$key] = $array_2[$array_2_key]; } else { $array_3[$key] = $val; } } return $array_3; } $array_1 = getMergedArray($array_1, $array_2); print_r($array_1);

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)
8.3.60.0000.01416.50
8.3.50.0070.01422.04
8.3.40.0040.01118.70
8.3.30.0070.00719.09
8.3.20.0040.00420.30
8.3.10.0030.00523.56
8.3.00.0100.00017.63
8.2.180.0090.00618.29
8.2.170.0030.01322.96
8.2.160.0030.01020.54
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0060.00319.63
8.2.110.0100.00021.14
8.2.100.0080.00417.91
8.2.90.0000.00817.75
8.2.80.0060.00318.77
8.2.70.0050.00318.05
8.2.60.0050.00517.63
8.2.50.0000.00817.63
8.2.40.0060.00317.63
8.2.30.0040.00418.05
8.2.20.0030.00617.80
8.2.10.0030.00618.19
8.2.00.0060.00617.63
8.1.280.0100.01025.92
8.1.270.0050.00323.92
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0080.00419.13
8.1.230.0060.00620.88
8.1.220.0000.00817.91
8.1.210.0040.00418.77
8.1.200.0000.00917.48
8.1.190.0040.00419.14
8.1.180.0000.00818.10
8.1.170.0050.00317.62
8.1.160.0050.00218.78
8.1.150.0040.00418.68
8.1.140.0060.00317.46
8.1.130.0050.00517.90
8.1.120.0040.00417.52
8.1.110.0030.00717.53
8.1.100.0090.00017.52
8.1.90.0000.00717.49
8.1.80.0030.00817.38
8.1.70.0000.00817.45
8.1.60.0040.00417.61
8.1.50.0040.00417.59
8.1.40.0030.00517.44
8.1.30.0000.00817.53
8.1.20.0080.00017.51
8.1.10.0040.00417.49
8.1.00.0000.00817.44
8.0.300.0040.00418.77
8.0.290.0000.00816.58
8.0.280.0030.00518.46
8.0.270.0000.00717.19
8.0.260.0030.00317.27
8.0.250.0070.00016.92
8.0.240.0000.00716.92
8.0.230.0030.00316.95
8.0.220.0070.00016.77
8.0.210.0000.00716.88
8.0.200.0070.00016.89
8.0.190.0000.00716.86
8.0.180.0030.00716.79
8.0.170.0040.00416.88
8.0.160.0030.00316.89
8.0.150.0000.00816.81
8.0.140.0030.00616.87
8.0.130.0050.00313.32
8.0.120.0040.00416.89
8.0.110.0040.00416.86
8.0.100.0000.00716.88
8.0.90.0070.00016.91
8.0.80.0040.01216.89
8.0.70.0000.00816.90
8.0.60.0040.00416.78
8.0.50.0000.00716.71
8.0.30.0060.01217.13
8.0.20.0110.00817.40
8.0.10.0000.00717.02
8.0.00.0130.00516.73
7.4.330.0020.00215.02
7.4.320.0030.00316.42
7.4.300.0030.00316.61
7.4.290.0030.00316.50
7.4.280.0000.00716.45
7.4.270.0030.00316.66
7.4.260.0030.00616.52
7.4.250.0000.00816.43
7.4.240.0030.00316.57
7.4.230.0070.00016.35
7.4.220.0100.00716.46
7.4.210.0050.00916.55
7.4.200.0000.00716.39
7.4.190.0070.00016.73
7.4.160.0080.00816.34
7.4.150.0100.00717.40
7.4.140.0080.01017.86
7.4.130.0080.00816.55
7.4.120.0090.00716.56
7.4.110.0090.00916.53
7.4.100.0090.00916.65
7.4.90.0090.00916.51
7.4.80.0060.01119.39
7.4.70.0070.01116.68
7.4.60.0180.00316.57
7.4.50.0040.00416.64
7.4.40.0030.01322.77
7.4.30.0060.00916.47
7.4.00.0070.00714.93
7.3.330.0050.00013.14
7.3.320.0000.00613.36
7.3.310.0070.00016.39
7.3.300.0030.00316.37
7.3.290.0120.00616.30
7.3.280.0070.01016.30
7.3.270.0050.01117.40
7.3.260.0080.01116.38
7.3.250.0110.00616.50
7.3.240.0060.01516.46
7.3.230.0070.01016.61
7.3.210.0090.01216.49
7.3.200.0160.00319.39
7.3.190.0070.01616.53
7.3.180.0080.00816.62
7.3.170.0070.01016.64
7.3.160.0130.00316.36
7.3.120.0000.00915.13
7.2.330.0060.01316.64
7.2.320.0130.00716.86
7.2.310.0100.01416.77
7.2.300.0130.00316.83
7.2.290.0060.01216.84
7.2.60.0080.00516.81
7.1.200.0030.01415.96
7.1.70.0060.00317.20
7.1.60.0040.00819.46
7.1.50.0110.01117.04
7.1.00.0070.07322.33
7.0.200.0030.00316.89
7.0.140.0030.07321.94
7.0.110.0130.08021.62
7.0.100.0170.03721.65
7.0.90.0200.03720.04
7.0.80.0200.08019.86
7.0.70.0070.04321.68
7.0.60.0030.04021.74
7.0.50.0030.05022.24
7.0.40.0000.04020.07
7.0.30.0070.05720.10
7.0.20.0030.06319.98
7.0.10.0030.07019.99
7.0.00.0070.04320.18
5.6.280.0030.07320.91
5.6.260.0070.08020.55
5.6.250.0100.08020.53
5.6.240.0100.06020.62
5.6.230.0070.04720.62
5.6.220.0070.04320.63
5.6.210.0030.04020.56
5.6.200.0030.05020.98
5.6.190.0030.04021.17
5.6.180.0070.03321.03
5.6.170.0170.06721.00
5.6.160.0030.07321.23
5.6.150.0030.04720.91
5.6.140.0030.04721.07
5.6.130.0030.06721.09
5.6.120.0030.04320.87
5.6.110.0100.04721.03
5.6.100.0030.06021.06
5.6.90.0000.07720.99
5.6.80.0070.07320.48
5.6.70.0030.05020.60
5.6.60.0130.07320.59
5.6.50.0030.07020.46
5.6.40.0070.06020.29
5.6.30.0000.08020.45
5.6.20.0170.06320.49
5.6.10.0030.04720.59
5.6.00.0070.06020.30
5.5.380.0130.07020.53
5.5.370.0070.07320.28
5.5.360.0300.03720.45
5.5.350.0030.03720.39
5.5.340.0000.04720.77
5.5.330.0030.04320.86
5.5.320.0100.04020.77
5.5.310.0100.06720.69
5.5.300.0000.05020.76
5.5.290.0030.08320.90
5.5.280.0170.06020.65
5.5.270.0070.04020.85
5.5.260.0100.07720.79
5.5.250.0030.04720.71
5.5.240.0030.05320.24
5.5.230.0100.07320.10
5.5.220.0030.07320.11
5.5.210.0200.04320.23
5.5.200.0100.03720.04
5.5.190.0070.08020.08
5.5.180.0100.05720.32
5.5.160.0000.07320.14
5.5.150.0100.07720.21
5.5.140.0030.04720.23
5.5.130.0030.03320.32
5.5.120.0030.04720.34
5.5.110.0030.07320.07
5.5.100.0100.05719.93
5.5.90.0100.04720.18
5.5.80.0070.06319.97
5.5.70.0100.04019.96
5.5.60.0100.04720.09
5.5.50.0070.04020.09
5.5.40.0000.06320.21
5.5.30.0130.06720.19
5.5.20.0130.07320.02
5.5.10.0100.08019.91
5.5.00.0130.03719.85
5.4.450.0100.04719.30
5.4.440.0100.07719.36
5.4.430.0000.05019.45
5.4.420.0070.06019.30
5.4.410.0030.05019.32
5.4.400.0070.05718.98
5.4.390.0030.05718.93
5.4.380.0070.04019.19
5.4.370.0030.04318.96
5.4.360.0030.08019.11
5.4.350.0000.08019.13
5.4.340.0030.04018.98
5.4.320.0070.07718.97
5.4.310.0070.06319.11
5.4.300.0000.06018.93
5.4.290.0030.05318.95
5.4.280.0070.03718.99
5.4.270.0000.07019.13
5.4.260.0030.04719.12
5.4.250.0100.06318.95
5.4.240.0100.05319.16
5.4.230.0000.07319.07
5.4.220.0000.06719.08
5.4.210.0130.04018.95
5.4.200.0070.03718.93
5.4.190.0100.05319.16
5.4.180.0070.06718.88
5.4.170.0070.05019.27
5.4.160.0000.04319.01
5.4.150.0030.05018.88
5.4.140.0170.06316.55
5.4.130.0070.06716.54
5.4.120.0030.05716.41
5.4.110.0000.04316.47
5.4.100.0070.03316.42
5.4.90.0130.04316.57
5.4.80.0100.02316.56
5.4.70.0030.03016.55
5.4.60.0000.05716.24
5.4.50.0070.06716.33
5.4.40.0000.04016.38
5.4.30.0000.03016.48
5.4.20.0030.07716.48
5.4.10.0030.06316.47
5.4.00.0070.06715.93
5.3.290.0070.06314.75
5.3.280.0130.04014.59
5.3.270.0070.05314.64
5.3.260.0030.06314.56
5.3.250.0070.03714.63
5.3.240.0030.04014.62
5.3.230.0130.05714.74
5.3.220.0000.04314.54
5.3.210.0030.08014.43
5.3.200.0000.07314.58
5.3.190.0030.03714.59
5.3.180.0030.03014.42
5.3.170.0030.08014.52
5.3.160.0030.06314.65
5.3.150.0000.07714.54
5.3.140.0030.03014.64
5.3.130.0030.07014.55
5.3.120.0030.05314.56
5.3.110.0100.02714.51
5.3.100.0000.07714.04
5.3.90.0070.03314.16
5.3.80.0030.04013.88
5.3.70.0000.03314.05
5.3.60.0030.06014.03
5.3.50.0000.04313.81
5.3.40.0030.03714.08
5.3.30.0000.07313.96
5.3.20.0000.07013.81
5.3.10.0000.03713.81
5.3.00.0000.07013.81
5.2.170.0000.02713.81
5.2.160.0030.04313.81
5.2.150.0030.06013.81
5.2.140.0070.06013.81
5.2.130.0030.04713.81
5.2.120.0030.05313.81
5.2.110.0030.06013.81
5.2.100.0030.04713.81
5.2.90.0000.05313.81
5.2.80.0000.04713.81
5.2.70.0100.02013.81
5.2.60.0100.03313.81
5.2.50.0000.03313.81
5.2.40.0000.05313.81
5.2.30.0030.04713.81
5.2.20.0000.03013.81
5.2.10.0070.02013.81
5.2.00.0030.02313.81
5.1.60.0000.02713.81
5.1.50.0000.05713.81
5.1.40.0000.02313.81
5.1.30.0000.05713.81
5.1.20.0070.02013.81
5.1.10.0000.03713.81
5.1.00.0030.03313.81
5.0.50.0100.01713.81
5.0.40.0000.03713.81
5.0.30.0030.05713.81
5.0.20.0030.01713.81
5.0.10.0000.02013.81
5.0.00.0030.02313.81
4.4.90.0000.01313.81
4.4.80.0030.01013.81
4.4.70.0030.03313.81
4.4.60.0000.03713.81
4.4.50.0030.01313.81
4.4.40.0030.02713.81
4.4.30.0000.02013.81
4.4.20.0000.03313.81
4.4.10.0000.01713.81
4.4.00.0030.04313.81
4.3.110.0070.02013.81
4.3.100.0030.03013.81
4.3.90.0030.03013.81
4.3.80.0000.04013.81
4.3.70.0000.01713.81
4.3.60.0000.02713.81
4.3.50.0030.03313.81
4.3.40.0030.04313.81
4.3.30.0030.02713.81
4.3.20.0070.00713.81
4.3.10.0030.03313.81
4.3.00.0000.02013.81

preferences:
52.69 ms | 401 KiB | 5 Q