3v4l.org

run code in 300+ PHP versions simultaneously
<?php function rev($str) { if ( ! $str ) { return; } return rev(substr($str,1)) . $str{0}; } function sum($arr) { if ( ! is_array($arr) ) { return; } return sum(array_shift($arr)) + $arr[0]; } $a = array(5,4,7,8,9,3); echo sum($a); echo rev('hola mundos ninos');

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)
8.3.40.0070.00718.80
8.3.30.0070.00719.09
8.3.20.0080.00020.33
8.3.10.0020.00522.09
8.3.00.0040.00422.27
8.2.170.0120.00622.96
8.2.160.0120.00818.96
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00419.23
8.2.110.0040.00420.99
8.2.100.0030.00917.78
8.2.90.0030.00517.63
8.2.80.0030.00617.97
8.2.70.0050.00317.90
8.2.60.0060.00317.91
8.2.50.0090.00018.10
8.2.40.0040.00419.08
8.2.30.0040.00417.81
8.2.20.0000.00717.44
8.2.10.0040.00417.49
8.2.00.0040.00417.54
8.1.270.0000.00922.08
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.03
8.1.230.0070.00319.21
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0090.00017.10
8.1.190.0080.00017.10
8.1.180.0040.00418.10
8.1.170.0030.00618.29
8.1.160.0040.00421.99
8.1.150.0040.00418.41
8.1.140.0040.00417.38
8.1.130.0070.00017.80
8.1.120.0080.00017.31
8.1.110.0000.00817.32
8.1.100.0040.00417.32
8.1.90.0040.00417.30
8.1.80.0050.00217.26
8.1.70.0000.00817.32
8.1.60.0030.00517.43
8.1.50.0030.00517.43
8.1.40.0090.00017.41
8.1.30.0080.00017.45
8.1.20.0020.00517.36
8.1.10.0040.00417.37
8.1.00.0000.00817.25
8.0.300.0040.00419.68
8.0.290.0000.00716.63
8.0.280.0070.00018.35
8.0.270.0040.00417.18
8.0.260.0030.00316.68
8.0.250.0040.00416.82
8.0.240.0000.00716.88
8.0.230.0040.00416.89
8.0.220.0040.00416.69
8.0.210.0030.00316.72
8.0.200.0060.00016.90
8.0.190.0030.00516.88
8.0.180.0080.00016.82
8.0.170.0040.00416.82
8.0.160.0070.00016.83
8.0.150.0000.00716.73
8.0.140.0070.00016.74
8.0.130.0000.00513.26
8.0.120.0060.00316.82
8.0.110.0040.00416.73
8.0.100.0070.00016.71
8.0.90.0030.00316.84
8.0.80.0100.01016.77
8.0.70.0000.00716.70
8.0.60.0000.00716.76
8.0.50.0000.00716.82
8.0.30.0100.00916.91
8.0.20.0120.00917.40
8.0.10.0000.00716.93
8.0.00.0100.01016.71
7.4.330.0000.00515.14
7.4.320.0000.00616.66
7.4.300.0060.00016.59
7.4.290.0000.00816.59
7.4.280.0030.00416.61
7.4.270.0000.00716.61
7.4.260.0000.00716.60
7.4.250.0080.00016.39
7.4.240.0040.00416.41
7.4.230.0070.00016.70
7.4.220.0090.00916.54
7.4.210.0060.01016.51
7.4.200.0000.00716.46
7.4.190.0030.00316.57
7.4.160.0060.00916.45
7.4.150.0120.00617.40
7.4.140.0090.00917.86
7.4.130.0090.00916.71
7.4.120.0110.00616.58
7.4.110.0060.01016.58
7.4.100.0040.01416.55
7.4.90.0060.01116.30
7.4.80.0100.01019.39
7.4.70.0050.01116.40
7.4.60.0100.00716.74
7.4.50.0060.00316.73
7.4.40.0110.00722.77
7.4.30.0160.00416.60
7.4.10.0100.00715.16
7.4.00.0040.00914.97
7.3.330.0000.00513.16
7.3.320.0000.00513.29
7.3.310.0030.00316.32
7.3.300.0040.00416.25
7.3.290.0060.01016.21
7.3.280.0100.00816.30
7.3.270.0070.01017.40
7.3.260.0070.01016.37
7.3.250.0080.01116.31
7.3.240.0110.00516.37
7.3.230.0030.01316.39
7.3.210.0090.00916.14
7.3.200.0070.01019.39
7.3.190.0090.00916.41
7.3.180.0070.01416.23
7.3.170.0160.00316.31
7.3.160.0080.00816.46
7.3.130.0120.00614.80
7.3.120.0030.01114.94
7.3.110.0060.01114.45
7.3.100.0080.00714.57
7.3.90.0090.00714.83
7.3.80.0040.00714.96
7.3.70.0030.01014.84
7.3.60.0080.00714.73
7.3.50.0060.00714.74
7.3.40.0080.00514.79
7.3.30.0040.00914.76
7.3.20.0080.00816.64
7.3.10.0050.00716.58
7.3.00.0030.01016.67
7.2.330.0100.01016.61
7.2.320.0060.01216.77
7.2.310.0080.00816.51
7.2.300.0060.01216.62
7.2.290.0100.00616.75
7.2.260.0070.01014.83
7.2.250.0030.01415.25
7.2.240.0080.00615.15
7.2.230.0040.01015.04
7.2.220.0050.00715.22
7.2.210.0020.01115.03
7.2.200.0070.00715.18
7.2.190.0050.00714.96
7.2.180.0030.00815.05
7.2.170.0010.01315.04
7.2.160.0020.01115.16
7.2.150.0030.01016.93
7.2.140.0050.00916.96
7.2.130.0060.01016.92
7.2.120.0080.00516.91
7.2.110.0060.00916.85
7.2.100.0050.00917.01
7.2.90.0040.01016.81
7.2.80.0070.00716.88
7.2.70.0060.00816.99
7.2.60.0060.00916.85
7.2.50.0030.01316.90
7.2.40.0080.00717.02
7.2.30.0060.00916.94
7.2.20.0050.00816.81
7.2.10.0090.00816.85
7.2.00.0100.00517.72
7.1.330.0050.01015.82
7.1.320.0060.00816.00
7.1.310.0080.00315.80
7.1.300.0060.00815.95
7.1.290.0040.01015.85
7.1.280.0090.00315.71
7.1.270.0030.01015.84
7.1.260.0080.00315.83
7.1.250.0050.00515.78
7.1.240.0000.00815.85
7.1.230.0000.01215.98
7.1.220.0120.00315.84
7.1.210.0030.00815.93
7.1.200.0090.00415.78
7.1.190.0120.00615.95
7.1.180.0100.00015.75
7.1.170.0060.00715.70
7.1.160.0030.00615.79
7.1.150.0000.01215.88
7.1.140.0060.00915.94
7.1.130.0100.00315.73
7.1.120.0000.01315.97
7.1.110.0080.00315.96
7.1.100.0110.00317.13
7.1.90.0070.01015.51
7.1.80.0100.00315.96
7.1.70.0020.00716.42
7.1.60.0100.01017.76
7.1.50.0090.00916.18
7.1.40.0030.01015.68
7.1.30.0060.00615.93
7.1.20.0060.00315.96
7.1.10.0150.00015.82
7.1.00.0020.04219.12
7.0.330.0090.00315.39
7.0.320.0000.00815.53
7.0.310.0080.00815.15
7.0.300.0040.01115.29
7.0.290.0000.01215.23
7.0.280.0030.00615.20
7.0.270.0070.01115.49
7.0.260.0000.01115.51
7.0.250.0030.01015.20
7.0.240.0000.01515.24
7.0.230.0060.00615.46
7.0.220.0030.01015.45
7.0.210.0030.00615.34
7.0.200.0070.00416.07
7.0.190.0090.00615.50
7.0.180.0110.00415.27
7.0.170.0040.01115.56
7.0.160.0040.00415.26
7.0.150.0030.01215.40
7.0.140.0070.03718.75
7.0.130.0040.00415.00
7.0.120.0000.01015.31
7.0.110.0030.01015.52
7.0.100.0060.00615.34
7.0.90.0030.00915.40
7.0.80.0090.00315.56
7.0.70.0000.01015.47
7.0.60.0070.02517.64
7.0.50.0130.03816.69
7.0.40.0050.03116.81
7.0.30.0130.02516.92
7.0.20.0190.03716.73
7.0.10.0000.02816.72
7.0.00.0120.04516.80
5.6.400.0070.00414.38
5.6.390.0000.01614.20
5.6.380.0040.00414.31
5.6.370.0090.00614.35
5.6.360.0050.00514.36
5.6.350.0040.00714.39
5.6.340.0000.01114.52
5.6.330.0030.00714.75
5.6.320.0100.00314.09
5.6.310.0030.01314.66
5.6.300.0060.00814.17
5.6.290.0080.00414.28
5.6.280.0020.04317.70
5.6.270.0070.00714.50
5.6.260.0100.00314.26
5.6.250.0110.00414.69
5.6.240.0030.00514.31
5.6.230.0030.01014.45
5.6.220.0040.00414.30
5.6.210.0080.04017.47
5.6.200.0020.05016.28
5.6.190.0060.04517.37
5.6.180.0370.03017.46
5.6.170.0210.03117.38
5.6.160.0050.03517.31
5.6.150.0100.03516.23
5.6.140.0060.04116.17
5.6.130.0050.04016.33
5.6.120.0070.02617.64
5.6.110.0090.04217.83
5.6.100.0050.02617.59
5.6.90.0130.02317.73
5.6.80.0090.04217.38
5.6.70.0070.00414.08
5.6.60.0040.01113.96
5.6.50.0070.01114.49
5.6.40.0030.01014.48
5.6.30.0110.00314.27
5.6.20.0040.00814.07
5.6.10.0120.00314.44
5.6.00.0070.00714.43
5.5.380.0000.00814.51
5.5.370.0000.01314.27
5.5.360.0030.01014.33
5.5.350.0130.04017.32
5.5.340.0100.01916.04
5.5.330.0150.01717.24
5.5.320.0080.04317.45
5.5.310.0120.04517.37
5.5.300.0030.02716.13
5.5.290.0080.04016.21
5.5.280.0050.02717.50
5.5.270.0070.02317.65
5.5.260.0060.04517.68
5.5.250.0050.03017.46
5.5.240.0020.02717.42
5.5.230.0100.00014.11
5.5.220.0070.00414.39
5.5.210.0040.00414.20
5.5.200.0060.00614.39
5.5.190.0050.00514.54
5.5.180.0000.00814.32
5.5.170.0070.01414.55
5.5.160.0060.01314.52
5.5.150.0040.00414.18
5.5.140.0110.00414.36
5.5.130.0110.00414.29
5.5.120.0090.00314.55
5.5.110.0000.01614.55
5.5.100.0030.00614.23
5.5.90.0070.00714.23
5.5.80.0060.00614.22
5.5.70.0070.00314.09
5.5.60.0040.01114.40
5.5.50.0110.00314.60
5.5.40.0070.01014.25
5.5.30.0090.00614.15
5.5.20.0070.00314.32
5.5.10.0060.00914.31
5.5.00.0040.01214.52
5.4.450.0150.03915.09
5.4.440.0170.03015.17
5.4.430.0060.03215.23
5.4.420.0080.03115.41
5.4.410.0020.03515.25
5.4.400.0380.00314.95
5.4.390.0430.00115.01
5.4.380.0150.03414.77
5.4.370.0470.03414.82
5.4.360.0540.02814.92
5.4.350.0470.02514.69
5.4.340.0490.02414.98
5.4.330.0030.00910.87
5.4.320.0070.02011.67
5.4.310.0060.02711.81
5.4.300.0050.02011.82
5.4.290.0020.02611.84
5.4.280.0050.02211.76
5.4.270.0040.02111.81
5.4.260.0080.03315.08
5.4.250.0070.03814.87
5.4.240.0100.02714.88
5.4.230.0100.02614.99
5.4.220.0060.04115.09
5.4.210.0120.03214.90
5.4.200.0030.04215.02
5.4.190.0050.04515.00
5.4.180.0110.03314.99
5.4.170.0110.03315.02
5.4.160.0090.03914.95
5.4.150.0100.03814.89
5.4.140.0050.03713.93
5.4.130.0030.02813.65
5.4.120.0090.02513.75
5.4.110.0080.03313.80
5.4.100.0080.03913.74
5.4.90.0110.02513.73
5.4.80.0080.02913.72
5.4.70.0120.03213.83
5.4.60.0050.03313.93
5.4.50.0080.04113.69
5.4.40.0140.03213.80
5.4.30.0020.03913.80
5.4.20.0000.03213.69
5.4.10.0120.02213.78
5.4.00.0050.02813.56
5.3.290.0070.02211.77
5.3.280.0050.03012.54
5.3.270.0070.03012.74
5.3.260.0100.03312.65
5.3.250.0080.02612.67
5.3.240.0110.02112.73
5.3.230.0100.03512.66
5.3.220.0120.03512.58
5.3.210.0060.03112.59
5.3.200.0080.03812.60
5.3.190.0090.03912.56
5.3.180.0100.02812.61
5.3.170.0000.03512.68
5.3.160.0080.03312.68
5.3.150.0080.02712.66
5.3.140.0050.03012.65
5.3.130.0080.02712.63
5.3.120.0100.04012.59
5.3.110.0050.04212.61
5.3.100.0030.03512.38
5.3.90.0030.02812.28
5.3.80.0060.02512.24
5.3.70.0070.02512.37
5.3.60.0040.00410.63
5.3.50.0090.00010.72
5.3.40.0030.00610.63
5.3.30.0090.00010.63
5.3.20.0000.00710.63
5.3.10.0030.00310.63
5.3.00.0040.00410.63

preferences:
45.15 ms | 400 KiB | 5 Q