3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1 = ['hello ? world', 'replace me ?']; $a2 = [123, 456]; echo var_export(array_map(function ($a, $b) { return str_replace('?', $b, $a); }, $a1, $a2));

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)
8.3.60.0140.00018.43
8.3.50.0130.00419.40
8.3.40.0140.00418.58
8.3.30.0110.00418.55
8.3.20.0040.00420.76
8.3.10.0090.00023.66
8.3.00.0050.00221.90
8.2.180.0090.00616.38
8.2.170.0150.00622.96
8.2.160.0090.00521.13
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0050.00319.76
8.2.120.0040.00426.35
8.2.110.0000.01022.26
8.2.100.0100.00417.91
8.2.90.0030.00620.43
8.2.80.0080.00017.97
8.2.70.0040.00418.03
8.2.60.0050.00318.22
8.2.50.0000.00818.10
8.2.40.0000.00919.14
8.2.30.0050.00320.51
8.2.20.0040.00417.97
8.2.10.0070.00019.44
8.2.00.0000.00718.03
8.1.280.0000.01425.92
8.1.270.0050.00223.97
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00422.24
8.1.230.0040.00820.94
8.1.220.0040.00417.79
8.1.210.0080.00818.77
8.1.200.0030.00617.23
8.1.190.0030.00617.35
8.1.180.0000.00918.10
8.1.170.0000.00918.59
8.1.160.0040.00418.75
8.1.150.0030.00518.85
8.1.140.0000.00718.89
8.1.130.0000.00819.14
8.1.120.0040.00417.48
8.1.110.0000.00717.33
8.1.100.0030.00517.29
8.1.90.0070.00417.37
8.1.80.0070.00017.37
8.1.70.0000.00717.51
8.1.60.0060.00317.59
8.1.50.0000.01117.51
8.1.40.0050.00317.35
8.1.30.0050.00217.62
8.1.20.0000.00917.54
8.1.10.0080.00017.48
8.1.00.0060.00317.34
8.0.300.0030.00619.66
8.0.290.0070.00016.75
8.0.280.0070.00018.43
8.0.270.0030.00517.26
8.0.260.0000.00716.68
8.0.250.0030.00316.94
8.0.240.0050.00216.86
8.0.230.0070.00016.83
8.0.220.0000.00716.80
8.0.210.0020.00516.72
8.0.200.0030.00316.98
8.0.190.0000.00816.84
8.0.180.0070.00016.92
8.0.170.0040.00416.83
8.0.160.0040.00416.89
8.0.150.0040.00416.75
8.0.140.0030.00516.87
8.0.130.0030.00313.30
8.0.120.0070.00016.80
8.0.110.0030.00516.84
8.0.100.0050.00216.85
8.0.90.0030.00416.95
8.0.80.0060.00916.95
8.0.70.0070.00016.77
8.0.60.0000.00716.80
8.0.50.0000.00716.78
8.0.30.0070.01117.21
8.0.20.0080.01217.11
8.0.10.0000.00717.01
8.0.00.0090.01016.78
7.4.330.0020.00216.73
7.4.320.0040.00416.65
7.4.300.0000.00616.58
7.4.290.0040.00716.49
7.4.280.0070.00016.50
7.4.270.0000.00716.52
7.4.260.0050.00316.42
7.4.250.0030.00316.55
7.4.240.0020.00516.63
7.4.230.0030.00316.39
7.4.220.0050.00216.58
7.4.210.0080.00916.52
7.4.200.0040.00416.63
7.4.160.0080.01016.53
7.4.140.0070.01017.86
7.4.130.0090.01616.49
7.4.120.0120.00916.66
7.4.110.0140.00316.50
7.4.100.0110.01116.52
7.4.90.0040.01416.44
7.4.80.0120.00919.39
7.4.70.0060.01216.54
7.4.60.0130.01016.66
7.4.50.0070.00716.63
7.4.40.0070.01116.60
7.4.10.0040.00815.16
7.4.00.0080.00915.06
7.3.330.0060.00013.17
7.3.320.0030.00313.22
7.3.310.0030.00316.20
7.3.300.0040.00416.11
7.3.290.0030.00316.24
7.3.280.0100.00716.23
7.3.260.0110.00816.39
7.3.240.0100.00816.33
7.3.230.0080.00816.23
7.3.210.0130.00716.27
7.3.200.0090.00616.50
7.3.190.0120.00416.50
7.3.180.0110.00916.28
7.3.170.0060.01316.14
7.3.160.0090.00616.18
7.3.130.0040.01414.81
7.3.120.0110.00714.65
7.3.110.0080.01114.83
7.3.100.0050.00814.46
7.3.90.0050.00814.85
7.3.80.0100.00514.87
7.3.70.0080.00314.73
7.3.60.0070.00714.72
7.3.50.0040.00514.71
7.3.40.0030.01014.71
7.3.30.0040.00714.63
7.3.20.0050.00916.62
7.3.10.0040.01016.46
7.3.00.0050.00816.58
7.2.330.0070.01016.36
7.2.320.0120.00616.34
7.2.310.0070.01416.63
7.2.300.0170.00716.61
7.2.290.0160.00616.52
7.2.260.0040.01414.89
7.2.250.0050.01514.93
7.2.240.0090.00915.04
7.2.230.0070.00915.04
7.2.220.0060.00915.07
7.2.210.0120.00215.04
7.2.200.0040.01015.06
7.2.190.0060.00814.93
7.2.180.0030.00714.98
7.2.170.0070.00714.85
7.2.160.0070.01114.78
7.2.150.0080.00816.69
7.2.140.0110.00716.81
7.2.130.0050.00716.71
7.2.120.0050.00816.74
7.2.110.0080.00616.77
7.2.100.0060.01116.75
7.2.90.0090.00516.83
7.2.80.0070.00516.67
7.2.70.0090.00616.88
7.2.60.0060.00716.62
7.2.50.0040.00816.83
7.2.40.0040.00616.81
7.2.30.0070.00716.76
7.2.20.0070.00716.66
7.2.10.0070.00716.88
7.2.00.0090.00616.78
7.1.330.0040.01115.74
7.1.320.0030.01015.72
7.1.310.0030.01115.76
7.1.300.0100.00515.80
7.1.290.0060.00415.55
7.1.280.0060.01015.57
7.1.270.0090.00615.49
7.1.260.0060.00815.51
7.1.250.0060.00615.71
7.1.240.0050.00315.88
7.1.230.0040.00815.89
7.1.220.0030.00915.54
7.1.210.0120.00615.71
7.1.200.0000.01215.78
7.1.190.0030.00715.63
7.1.180.0030.01015.74
7.1.170.0030.00615.89
7.1.160.0100.00315.59
7.1.150.0080.00015.85
7.1.140.0040.00815.66
7.1.130.0080.00315.77
7.1.120.0070.00715.75
7.1.110.0110.00415.83
7.1.100.0060.00915.79
7.1.90.0060.00915.57
7.1.80.0060.00315.54
7.1.70.0030.01015.68
7.1.60.0030.00915.89
7.1.50.0060.00615.69
7.1.40.0040.01115.79
7.1.30.0110.00415.62
7.1.20.0060.00315.86
7.1.10.0040.01115.70
7.1.00.0070.00715.86

preferences:
60.8 ms | 401 KiB | 5 Q