3v4l.org

run code in 300+ PHP versions simultaneously
<?php function reverse3($arr) { $len = count($arr); for ($i = 0; $i < ceil($len/2) - 1; ++$i) { echo $i . "!"; $place = $len - 1 - $i; $tmp = $arr[$place]; $arr[$place] = $arr[$i]; $arr[$i] = $tmp; } return $arr; } var_dump(reverse3(array(1,2,3,4)));

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)
8.3.60.0080.00816.50
8.3.50.0150.00322.86
8.3.40.0130.00718.83
8.3.30.0070.00718.93
8.3.20.0040.00420.16
8.3.10.0080.00023.57
8.3.00.0050.00317.63
8.2.180.0070.01016.88
8.2.170.0120.00322.96
8.2.160.0070.00720.11
8.2.150.0050.00224.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0050.00321.09
8.2.110.0090.00020.84
8.2.100.0000.01117.91
8.2.90.0040.00419.34
8.2.80.0040.00417.97
8.2.70.0030.00517.63
8.2.60.0040.00418.05
8.2.50.0000.00918.07
8.2.40.0040.00418.34
8.2.30.0050.00318.13
8.2.20.0000.00717.66
8.2.10.0040.00418.20
8.2.00.0040.00417.75
8.1.280.0100.00725.92
8.1.270.0000.00823.85
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00022.66
8.1.230.0000.01120.87
8.1.220.0040.00418.77
8.1.210.0040.00419.04
8.1.200.0030.00617.35
8.1.190.0080.00017.35
8.1.180.0040.00718.10
8.1.170.0030.00618.59
8.1.160.0040.00422.02
8.1.150.0070.00018.86
8.1.140.0040.00417.45
8.1.130.0060.00317.82
8.1.120.0030.00317.46
8.1.110.0000.00817.43
8.1.100.0000.00817.53
8.1.90.0040.00417.47
8.1.80.0000.00717.34
8.1.70.0000.00717.45
8.1.60.0000.00817.55
8.1.50.0000.00817.57
8.1.40.0030.00517.43
8.1.30.0000.00817.59
8.1.20.0000.00917.55
8.1.10.0000.00917.47
8.1.00.0000.00717.59
8.0.300.0060.00319.96
8.0.290.0030.00616.88
8.0.280.0070.00018.36
8.0.270.0050.00317.33
8.0.260.0000.00717.18
8.0.250.0000.00716.96
8.0.240.0000.00716.94
8.0.230.0000.00716.93
8.0.220.0030.00516.89
8.0.210.0040.00416.90
8.0.200.0000.00716.85
8.0.190.0080.00016.86
8.0.180.0070.00016.98
8.0.170.0030.00516.91
8.0.160.0000.00716.92
8.0.150.0080.00016.88
8.0.140.0070.00016.75
8.0.130.0000.00613.29
8.0.120.0060.00316.80
8.0.110.0040.00416.90
8.0.100.0000.00716.77
8.0.90.0070.00016.88
8.0.80.0150.00616.85
8.0.70.0030.00616.85
8.0.60.0080.00016.73
8.0.50.0000.00716.80
8.0.30.0110.01017.03
8.0.20.0130.00617.40
8.0.10.0020.00516.82
8.0.00.0100.00716.73
7.4.330.0000.00615.00
7.4.320.0030.00316.60
7.4.300.0050.00216.66
7.4.290.0030.00316.56
7.4.280.0040.00416.52
7.4.270.0000.00716.58
7.4.260.0070.00016.60
7.4.250.0040.00416.54
7.4.240.0010.00616.54
7.4.230.0000.00716.46
7.4.220.0070.01116.71
7.4.210.0000.01816.44
7.4.200.0030.00316.63
7.4.160.0070.01316.32
7.4.150.0100.01017.40
7.4.140.0170.00717.86
7.4.130.0140.00416.53
7.4.120.0090.00816.56
7.4.110.0130.01016.51
7.4.100.0150.01216.42
7.4.90.0100.00716.35
7.4.80.0130.00319.39
7.4.70.0170.00616.62
7.4.60.0060.01216.64
7.4.50.0080.00016.24
7.4.40.0120.00416.27
7.4.30.0060.01216.55
7.4.00.0090.00614.61
7.3.330.0030.00413.44
7.3.320.0020.00213.31
7.3.310.0000.00716.43
7.3.300.0030.00316.38
7.3.290.0070.00716.35
7.3.280.0080.01016.32
7.3.270.0090.00917.40
7.3.260.0170.00016.41
7.3.250.0120.00816.42
7.3.240.0110.01016.63
7.3.230.0060.01016.39
7.3.210.0080.00816.61
7.3.200.0060.01319.39
7.3.190.0060.01216.52
7.3.180.0090.01216.63
7.3.170.0090.01216.42
7.3.160.0060.00916.50
7.3.00.0070.00716.35
7.2.330.0090.00916.83
7.2.320.0130.01316.54
7.2.310.0070.01016.75
7.2.300.0230.00916.79
7.2.290.0110.00516.87
7.2.130.0000.01817.03
7.2.120.0060.00916.70
7.2.110.0140.00016.45
7.2.100.0070.00716.23
7.2.90.0090.00916.66
7.2.80.0160.00316.59
7.2.70.0090.00616.73
7.2.60.0120.00316.98
7.2.50.0030.01016.87
7.2.40.0030.00916.56
7.2.30.0070.01016.87
7.2.20.0090.00316.50
7.2.10.0140.00016.63
7.2.00.0050.00817.90
7.1.250.0100.00715.80
7.1.240.0070.01315.79
7.1.230.0070.00715.61
7.1.220.0110.00315.68
7.1.210.0030.01115.46
7.1.200.0050.01015.65
7.1.190.0030.00915.73
7.1.180.0130.00015.65
7.1.170.0030.00915.46
7.1.160.0090.00615.71
7.1.150.0060.00615.63
7.1.140.0060.00615.86
7.1.130.0000.00915.51
7.1.120.0030.01015.72
7.1.110.0030.01015.61
7.1.100.0060.00617.02
7.1.90.0080.00615.61
7.1.80.0030.00915.89
7.1.70.0070.00416.52
7.1.60.0060.01217.53
7.1.50.0070.00716.22
7.1.40.0070.00415.48
7.1.30.0070.00415.71
7.1.20.0120.00315.84
7.1.10.0030.01015.77
7.1.00.0050.04119.07
7.0.330.0120.00615.05
7.0.320.0060.00315.54
7.0.310.0090.00315.29
7.0.300.0060.01015.30
7.0.290.0090.00315.27
7.0.280.0070.01015.15
7.0.270.0030.00715.00
7.0.260.0090.00415.28
7.0.250.0040.00415.23
7.0.240.0040.00815.33
7.0.230.0030.00915.02
7.0.220.0030.01015.58
7.0.210.0110.00415.34
7.0.200.0080.00515.99
7.0.190.0080.00815.44
7.0.180.0000.01215.02
7.0.170.0080.00815.12
7.0.160.0120.00315.53
7.0.150.0070.00414.89
7.0.140.0060.03618.79
7.0.130.0090.00315.39
7.0.120.0080.00015.24
7.0.110.0060.00315.20
7.0.100.0040.00715.23
7.0.90.0070.00315.12
7.0.80.0000.01115.39
7.0.70.0000.01015.30
7.0.60.0080.04017.69
7.0.50.0080.02516.64
7.0.40.0080.03116.79
7.0.30.0230.03816.63
7.0.20.0170.03116.63
7.0.10.0090.04316.57
7.0.00.0050.02316.60
5.6.380.0120.00414.13
5.6.370.0040.01114.61
5.6.360.0090.00314.49
5.6.350.0000.01014.54
5.6.340.0110.00414.28
5.6.330.0040.00413.93
5.6.320.0030.00614.22
5.6.310.0030.00614.17
5.6.300.0070.00414.45
5.6.290.0100.00314.53
5.6.280.0030.04017.71
5.6.270.0100.00314.09
5.6.260.0080.00314.38
5.6.250.0030.00714.50
5.6.240.0080.00314.09
5.6.230.0110.00314.39
5.6.220.0070.00314.43
5.6.210.0080.04317.41
5.6.200.0090.03516.29
5.6.190.0070.04517.29
5.6.180.0170.03417.48
5.6.170.0050.02817.44
5.6.160.0070.04617.37
5.6.150.0080.04316.21
5.6.140.0050.03116.30
5.6.130.0070.04516.25
5.6.120.0080.03517.48
5.6.110.0100.04317.55
5.6.100.0030.02817.54
5.6.90.0050.04717.71
5.6.80.0120.03917.32
5.6.70.0090.00014.18
5.6.60.0000.01114.09
5.6.50.0030.00714.37
5.6.40.0090.00314.23
5.6.30.0040.00414.43
5.6.20.0040.00414.17
5.6.10.0100.00314.37
5.6.00.0030.00814.02
5.5.380.0060.00011.44
5.5.370.0040.01111.04
5.5.360.0030.00610.90
5.5.350.0050.04215.88
5.5.340.0000.04614.64
5.5.330.0050.04515.94
5.5.320.0120.02915.87
5.5.310.0130.04315.63
5.5.300.0050.02514.75
5.5.290.0030.04614.55
5.5.280.0110.03015.90
5.5.270.0110.03016.07
5.5.260.0030.02515.86
5.5.250.0030.02415.87
5.5.240.0100.01815.66
5.5.230.0000.00710.90
5.5.220.0060.00010.95
5.5.210.0080.00010.94
5.5.200.0060.00010.99
5.5.190.0000.00710.90
5.5.180.0030.00311.20
5.5.170.0080.00011.22
5.5.160.0000.00811.02
5.5.150.0000.00710.91
5.5.140.0000.00611.18
5.5.130.0050.00311.14
5.5.120.0040.00411.27
5.5.110.0000.00810.97
5.5.100.0040.00411.23
5.5.90.0040.00411.09
5.5.80.0000.00710.90
5.5.70.0070.00711.00
5.5.60.0000.01111.32
5.5.50.0060.00010.98
5.5.40.0090.00011.00
5.5.30.0000.00711.01
5.5.20.0000.00811.16
5.5.10.0070.00411.19
5.5.00.0000.01010.90
5.4.450.0160.01815.22
5.4.440.0090.02715.13
5.4.430.0100.02315.17
5.4.420.0050.02015.23
5.4.410.0140.02315.15
5.4.400.0180.02215.13
5.4.390.0100.02015.01
5.4.380.0170.02514.89
5.4.370.0120.03314.81
5.4.360.0150.02514.81
5.4.350.0100.03414.70
5.4.340.0100.03015.04
5.4.330.0040.00411.15
5.4.320.0070.02111.85
5.4.310.0070.02711.74
5.4.300.0040.02811.77
5.4.290.0090.02511.78
5.4.280.0040.02411.70
5.4.270.0040.02211.67
5.4.260.0040.02411.65
5.4.250.0050.02111.79
5.4.240.0090.02011.75
5.4.230.0070.02211.74
5.4.220.0070.02211.64
5.4.210.0080.03311.64
5.4.200.0070.02611.67
5.4.190.0090.04111.71
5.4.180.0040.03211.68
5.4.170.0040.02911.64
5.4.160.0050.02511.64
5.4.150.0090.02311.64
5.4.140.0070.02811.56
5.4.130.0050.02111.60
5.4.120.0060.01911.48
5.4.110.0040.02211.61
5.4.100.0060.02111.49
5.4.90.0060.02211.48
5.4.80.0050.02711.55
5.4.70.0060.01911.45
5.4.60.0020.02311.48
5.4.50.0020.02411.45
5.4.40.0070.02011.65
5.4.30.0030.02411.45
5.4.20.0060.02411.54
5.4.10.0060.02511.56
5.4.00.0040.02511.19
5.3.290.0070.02011.85
5.3.280.0060.01911.80
5.3.270.0040.02211.81
5.3.260.0040.03611.81
5.3.250.0040.02411.81
5.3.240.0020.02611.81
5.3.230.0050.02111.80
5.3.220.0020.02311.79
5.3.210.0050.02311.79
5.3.200.0050.02111.79
5.3.190.0060.02211.79
5.3.180.0020.02211.79
5.3.170.0060.02111.79
5.3.160.0060.01911.79
5.3.150.0040.02111.78
5.3.140.0030.02211.78
5.3.130.0040.02211.78
5.3.120.0050.01911.78
5.3.110.0060.02011.78
5.3.100.0040.02111.51
5.3.90.0060.02011.50
5.3.80.0050.02111.50
5.3.70.0070.01911.50
5.3.60.0040.02011.49
5.3.50.0040.02011.46
5.3.40.0040.02311.46
5.3.30.0060.01811.44
5.3.20.0060.02411.33
5.3.10.0060.01711.31
5.3.00.0050.02011.31
5.2.170.0070.01610.06
5.2.160.0060.01510.06
5.2.150.0020.01910.06
5.2.140.0040.01710.05
5.2.130.0050.01710.04
5.2.120.0060.01510.04
5.2.110.0020.01710.04
5.2.100.0020.01710.04
5.2.90.0020.01710.04
5.2.80.0030.01710.04
5.2.70.0020.01910.03
5.2.60.0040.01710.01
5.2.50.0020.01910.00
5.2.40.0020.0189.98
5.2.30.0020.0199.97
5.2.20.0020.0189.97
5.2.10.0050.0149.92
5.2.00.0050.0169.85
5.1.60.0020.0169.50
5.1.50.0060.0129.49
5.1.40.0050.0129.48
5.1.30.0020.0169.65
5.1.20.0060.0139.67
5.1.10.0060.0139.53
5.1.00.0020.0159.53
5.0.50.0030.0148.77
5.0.40.0020.0138.70
5.0.30.0030.0238.61
5.0.20.0020.0128.59
5.0.10.0030.0108.58
5.0.00.0020.0178.57
4.4.90.0010.0107.84
4.4.80.0030.0077.83
4.4.70.0030.0127.83
4.4.60.0020.0117.83
4.4.50.0030.0097.83
4.4.40.0020.0167.80
4.4.30.0040.0087.83
4.4.20.0020.0107.87
4.4.10.0020.0117.88
4.4.00.0030.0147.83
4.3.110.0020.0097.78
4.3.100.0030.0127.78
4.3.90.0020.0097.77
4.3.80.0030.0147.74
4.3.70.0040.0097.76
4.3.60.0010.0107.76
4.3.50.0020.0107.76
4.3.40.0030.0137.72
4.3.30.0020.0097.10
4.3.20.0030.0097.09
4.3.10.0020.0107.07
4.3.00.0040.00713.42

preferences:
39.19 ms | 401 KiB | 5 Q