3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "Php,Arrays,Mysql"; function backwards($input) { $str = $input; $revStr = array(); $str = explode(",", $str); for ($x = 0; $x < count($str); $x++) { array_push($revStr, strrev($str[$x])); } return implode(',', $revStr); } $result =backwards($string); echo $result; ?>

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)
8.4.140.0140.00817.71
8.4.130.0130.00818.77
8.4.120.0100.01024.00
8.4.110.0100.00918.54
8.4.100.0110.00517.63
8.4.90.0160.00417.90
8.4.80.0070.00117.91
8.4.70.0050.00617.95
8.4.60.0090.01120.32
8.4.50.0070.00219.48
8.4.40.0170.00318.76
8.4.30.0120.00622.59
8.4.20.0100.01018.82
8.4.10.0130.00319.56
8.3.270.0110.00916.85
8.3.260.0120.00816.63
8.3.250.0040.00318.88
8.3.240.0030.00517.02
8.3.230.0110.00816.50
8.3.220.0020.00716.49
8.3.210.0110.00916.53
8.3.200.0050.00416.36
8.3.190.0090.00920.92
8.3.180.0110.00818.65
8.3.170.0100.00717.04
8.3.160.0050.00316.69
8.3.150.0100.00716.96
8.3.140.0150.00318.81
8.3.130.0130.00318.36
8.3.120.0040.00818.96
8.3.110.0150.00320.94
8.3.100.0140.00724.06
8.3.90.0080.00026.77
8.3.80.0030.00618.31
8.3.70.0100.01316.58
8.3.60.0060.00918.31
8.3.50.0090.00618.66
8.3.40.0110.00718.70
8.3.30.0090.00618.71
8.3.20.0050.00320.78
8.3.10.0060.00323.65
8.3.00.0040.00422.45
8.2.290.0090.01019.11
8.2.280.0050.00420.39
8.2.270.0060.01217.22
8.2.260.0040.01116.66
8.2.250.0030.00618.20
8.2.240.0060.01218.91
8.2.230.0030.00622.58
8.2.220.0070.00337.54
8.2.210.0000.00826.77
8.2.200.0060.00316.75
8.2.190.0180.00316.58
8.2.180.0100.00725.92
8.2.170.0150.00022.96
8.2.160.0100.00322.13
8.2.150.0070.00024.18
8.2.140.0060.00324.66
8.2.130.0080.00020.96
8.2.120.0120.00026.35
8.2.110.0030.00619.32
8.2.100.0060.00617.88
8.2.90.0030.00620.65
8.2.80.0080.00018.05
8.2.70.0030.00617.93
8.2.60.0050.00318.16
8.2.50.0040.00418.10
8.2.40.0000.00719.13
8.2.30.0070.00019.31
8.2.20.0040.00418.05
8.2.10.0030.00619.42
8.2.00.0030.00518.14
8.1.330.0060.00421.89
8.1.320.0090.00916.14
8.1.310.0000.00816.04
8.1.300.0040.00420.32
8.1.290.0000.00918.88
8.1.280.0070.01125.92
8.1.270.0020.00518.92
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0150.00422.13
8.1.230.0110.00022.62
8.1.220.0050.00317.78
8.1.210.0040.00419.04
8.1.200.0060.00317.23
8.1.190.0040.00417.38
8.1.180.0050.00318.10
8.1.170.0000.00818.43
8.1.160.0000.00718.85
8.1.150.0080.00018.80
8.1.140.0070.00020.20
8.1.130.0050.00317.36
8.1.120.0040.00417.46
8.1.110.0030.00517.39
8.1.100.0030.00317.37
8.1.90.0060.00317.48
8.1.80.0090.00017.46
8.1.70.0050.00317.47
8.1.60.0040.00417.59
8.1.50.0000.00817.48
8.1.40.0080.00017.52
8.1.30.0070.00017.66
8.1.20.0000.01017.58
8.1.10.0030.00517.60
8.1.00.0040.00417.43
8.0.300.0080.00019.97
8.0.290.0050.00316.63
8.0.280.0070.00018.45
8.0.270.0040.00417.37
8.0.260.0050.00216.70
8.0.250.0000.00716.95
8.0.240.0000.00816.96
8.0.230.0070.00016.85
8.0.220.0060.00016.71
8.0.210.0030.00316.70
8.0.200.0000.00616.78
8.0.190.0040.00416.88
8.0.180.0030.00516.76
8.0.170.0000.00816.80
8.0.160.0050.00316.95
8.0.150.0030.00916.76
8.0.140.0050.00316.74
8.0.130.0060.00013.25
8.0.120.0030.00516.91
8.0.110.0040.00416.80
8.0.100.0000.00716.86
8.0.90.0070.00016.91
8.0.80.0090.00616.89
8.0.70.0080.00016.94
8.0.60.0070.00016.87
8.0.50.0040.00416.95
8.0.30.0140.00817.03
8.0.20.0080.01116.96
8.0.10.0040.00416.89
8.0.00.0090.01116.70
7.4.330.0000.00515.55
7.4.320.0050.00216.52
7.4.300.0000.00716.59
7.4.290.0030.00316.54
7.4.280.0040.00416.49
7.4.270.0000.00616.52
7.4.260.0030.00316.53
7.4.250.0070.00016.46
7.4.240.0030.00316.45
7.4.230.0000.00716.34
7.4.220.0000.00716.63
7.4.210.0070.00816.63
7.4.200.0050.00316.62
7.4.160.0080.00716.48
7.4.140.0040.01417.86
7.4.130.0150.00616.50
7.4.120.0080.00816.64
7.4.110.0100.00716.36
7.4.100.0120.00616.60
7.4.90.0030.01516.73
7.4.80.0090.01619.39
7.4.70.0170.00016.36
7.4.60.0070.01016.62
7.4.50.0090.00616.48
7.4.40.0130.00416.46
7.4.00.0070.00915.04
7.3.330.0050.00013.18
7.3.320.0030.00313.18
7.3.310.0000.00716.22
7.3.300.0070.00016.40
7.3.290.0030.00316.23
7.3.280.0130.00616.33
7.3.260.0080.01116.47
7.3.240.0100.01016.37
7.3.230.0070.01116.64
7.3.210.0110.00516.39
7.3.200.0090.00916.49
7.3.190.0140.02116.43
7.3.180.0060.01116.31
7.3.170.0170.00716.39
7.3.160.0130.00316.38
7.3.120.0060.01214.63
7.3.110.0060.01314.74
7.3.100.0130.00315.11
7.3.90.0060.01214.54
7.3.80.0040.01414.88
7.3.70.0000.01514.92
7.3.60.0060.00614.81
7.3.50.0060.00914.89
7.3.40.0000.01014.88
7.3.30.0070.00614.86
7.3.20.0290.00315.82
7.3.10.0340.00715.87
7.3.00.0230.00715.69
7.2.330.0140.00716.74
7.2.320.0100.00616.79
7.2.310.0100.00716.81
7.2.300.0080.00816.88
7.2.290.0040.01516.83
7.2.250.0110.00414.97
7.2.240.0090.00915.25
7.2.230.0060.00915.23
7.2.220.0040.01114.94
7.2.210.0130.00614.89
7.2.200.0030.01315.21
7.2.190.0040.00714.78
7.2.180.0060.00915.27
7.2.170.0000.01215.10
7.2.160.0020.01015.08
7.2.150.0270.00616.02
7.2.140.0340.00316.01
7.2.130.0290.00615.92
7.2.120.0250.01316.00
7.2.110.0260.00715.79
7.2.100.0280.01015.97
7.2.90.0320.00816.01
7.2.80.0380.00515.97
7.2.70.0310.01015.94
7.2.60.0340.00516.18
7.2.50.0270.00815.95
7.2.40.0260.00916.20
7.2.30.0250.00916.02
7.2.20.0220.00415.82
7.2.10.0210.00415.81
7.2.00.0190.01115.90
7.1.330.0040.00716.02
7.1.320.0040.01215.99
7.1.310.0100.00715.82
7.1.300.0060.00915.86
7.1.290.0100.00615.93
7.1.280.0000.01015.70
7.1.270.0410.00614.75
7.1.260.0260.01014.71
7.1.250.0290.00814.81
7.1.240.0040.00415.72
7.1.230.0080.00815.84
7.1.220.0030.01115.86
7.1.210.0100.00315.79
7.1.200.0040.00715.86
7.1.190.0000.01115.68
7.1.180.0040.00415.89
7.1.170.0100.00315.89
7.1.160.0060.00615.97
7.1.150.0030.01315.76
7.1.140.0000.01315.72
7.1.130.0070.00315.88
7.1.120.0080.00415.71
7.1.110.0030.00615.93
7.1.100.0070.00715.93
7.1.90.0000.01215.59
7.1.80.0000.00915.89
7.1.70.0000.01215.98
7.1.60.0060.00915.59
7.1.50.0000.01215.99
7.1.40.0100.00315.90
7.1.30.0070.00715.61
7.1.20.0090.00615.53
7.1.10.0000.01315.79
7.1.00.0090.00015.91

preferences:
76.69 ms | 403 KiB | 5 Q