3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j'); $str = ltrim(strrev(chunk_split(implode(array_reverse($arr)), 3, ';')),';'); echo $str;

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)
8.3.70.0150.00316.38
8.3.60.0110.01118.18
8.3.50.0090.00921.05
8.3.40.0070.01018.68
8.3.30.0100.00319.04
8.3.20.0000.00720.25
8.3.10.0040.00420.36
8.3.00.0080.00019.26
8.2.180.0100.00716.32
8.2.170.0070.00722.96
8.2.160.0070.00720.47
8.2.150.0030.00624.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0040.00422.20
8.2.110.0060.00322.10
8.2.100.0090.00322.16
8.2.90.0070.00019.13
8.2.80.0030.00617.97
8.2.70.0030.00617.50
8.2.60.0060.00318.05
8.2.50.0050.00318.07
8.2.40.0000.00718.28
8.2.30.0000.00719.29
8.2.20.0070.00017.61
8.2.10.0070.00018.11
8.2.00.0030.00617.61
8.1.280.0070.00725.92
8.1.270.0030.00623.92
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.20
8.1.230.0040.00819.09
8.1.220.0030.00617.78
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0090.00017.23
8.1.180.0000.00718.10
8.1.170.0030.00518.30
8.1.160.0050.00221.95
8.1.150.0040.00418.82
8.1.140.0030.00517.29
8.1.130.0030.00517.69
8.1.120.0080.00017.28
8.1.110.0000.00717.33
8.1.100.0000.00717.36
8.1.90.0040.00417.36
8.1.80.0000.00817.42
8.1.70.0050.00317.36
8.1.60.0050.00317.47
8.1.50.0030.00517.42
8.1.40.0000.00817.39
8.1.30.0040.00417.50
8.1.20.0040.00417.45
8.1.10.0040.00417.49
8.1.00.0000.00717.41
8.0.300.0040.00418.77
8.0.290.0080.00016.75
8.0.280.0000.00718.44
8.0.270.0050.00217.25
8.0.260.0070.00017.25
8.0.250.0030.00316.96
8.0.240.0040.00417.01
8.0.230.0000.00716.84
8.0.220.0030.00316.79
8.0.210.0000.00716.84
8.0.200.0030.00316.86
8.0.190.0000.00716.84
8.0.180.0030.00516.82
8.0.170.0000.00816.74
8.0.160.0000.00716.73
8.0.150.0000.00816.82
8.0.140.0000.00816.72
8.0.130.0080.00013.15
8.0.120.0000.00716.80
8.0.110.0050.00216.78
8.0.100.0000.00716.70
8.0.90.0040.00416.78
8.0.80.0090.00616.81
8.0.70.0000.00716.88
8.0.60.0040.00416.71
8.0.50.0040.00416.79
8.0.30.0110.01116.96
8.0.20.0120.00617.40
8.0.10.0030.00516.76
8.0.00.0100.00716.65
7.4.330.0000.00615.02
7.4.320.0000.00616.44
7.4.300.0040.00416.44
7.4.290.0000.00716.41
7.4.280.0080.00016.43
7.4.270.0030.00316.58
7.4.260.0000.00716.53
7.4.250.0000.00716.34
7.4.240.0000.00716.43
7.4.230.0040.00416.42
7.4.220.0120.00616.63
7.4.210.0060.00916.56
7.4.200.0000.00716.29
7.4.160.0100.00616.20
7.4.150.0060.01217.40
7.4.140.0080.00817.86
7.4.130.0090.00716.50
7.4.120.0100.00716.38
7.4.110.0070.01116.55
7.4.100.0120.00616.44
7.4.90.0150.00416.50
7.4.80.0090.00918.80
7.4.70.0080.00916.45
7.4.60.0080.00816.34
7.4.50.0000.00816.40
7.4.40.0150.00616.68
7.4.30.0030.01616.49
7.4.10.0040.01415.02
7.4.00.0050.00714.68
7.3.330.0000.00513.12
7.3.320.0030.00312.96
7.3.310.0030.00316.34
7.3.300.0060.00016.03
7.3.290.0060.01216.22
7.3.280.0110.00416.22
7.3.270.0030.01417.40
7.3.260.0060.01316.18
7.3.250.0140.00616.39
7.3.240.0060.01216.57
7.3.230.0060.00916.39
7.3.210.0060.01316.29
7.3.200.0070.01419.39
7.3.190.0120.00416.33
7.3.180.0040.01316.32
7.3.170.0120.00416.39
7.3.160.0160.00316.23
7.3.130.0090.00914.50
7.3.120.0030.01414.73
7.3.110.0090.00914.76
7.3.100.0030.01014.71
7.3.90.0040.01114.76
7.3.80.0040.00714.79
7.3.70.0030.00914.64
7.3.60.0110.00014.57
7.3.50.0130.00714.71
7.3.40.0120.00314.85
7.3.30.0100.00614.54
7.3.20.0030.00816.70
7.3.10.0070.00716.49
7.3.00.0100.00516.35
7.2.330.0070.01016.37
7.2.320.0100.00616.54
7.2.310.0040.02016.66
7.2.300.0030.01316.55
7.2.290.0070.01016.66
7.2.260.0060.01315.16
7.2.250.0100.01015.26
7.2.240.0130.00315.12
7.2.230.0040.01514.87
7.2.220.0070.01414.70
7.2.210.0030.01014.68
7.2.200.0030.01014.85
7.2.190.0100.01014.73
7.2.180.0030.00715.06
7.2.170.0060.00915.10
7.2.160.0120.00314.68
7.2.150.0080.00816.79
7.2.140.0060.00616.80
7.2.130.0040.00916.78
7.2.120.0090.01116.59
7.2.110.0090.00516.73
7.2.100.0070.00716.68
7.2.90.0050.00916.48
7.2.80.0040.00916.45
7.2.70.0080.00416.64
7.2.60.0100.00516.60
7.2.50.0060.00716.69
7.2.40.0080.00516.73
7.2.30.0050.00816.59
7.2.20.0060.00816.75
7.2.10.0100.00616.66
7.2.00.0020.01317.75
7.1.330.0080.00415.77
7.1.320.0090.00615.62
7.1.310.0030.00915.61
7.1.300.0060.00915.86
7.1.290.0070.00715.63
7.1.280.0000.01515.75
7.1.270.0070.00715.80
7.1.260.0030.00915.81
7.1.250.0120.00615.62
7.1.240.0030.00715.63
7.1.230.0090.00315.40
7.1.220.0060.00615.86
7.1.210.0040.00415.52
7.1.200.0070.00715.89
7.1.190.0030.00915.77
7.1.180.0040.00815.40
7.1.170.0100.00315.83
7.1.160.0090.00315.96
7.1.150.0060.01215.58
7.1.140.0000.01115.86
7.1.130.0030.01015.74
7.1.120.0070.00715.96
7.1.110.0000.01215.68
7.1.100.0030.01216.94
7.1.90.0060.00615.87
7.1.80.0030.00915.84
7.1.70.0050.00616.52
7.1.60.0080.01217.45
7.1.50.0070.01116.25
7.1.40.0060.00615.73
7.1.30.0080.00315.64
7.1.20.0080.00515.70
7.1.10.0100.00315.83
7.1.00.0030.04318.98
7.0.330.0030.00715.52
7.0.320.0000.00815.34
7.0.310.0000.00815.54
7.0.300.0030.01115.39
7.0.290.0090.00015.45
7.0.280.0090.00615.43
7.0.270.0060.00615.39
7.0.260.0000.01115.42
7.0.250.0040.01115.10
7.0.240.0090.00615.46
7.0.230.0040.00715.19
7.0.220.0120.00315.54
7.0.210.0000.00915.49
7.0.200.0130.00216.11
7.0.190.0000.00915.42
7.0.180.0000.01015.45
7.0.170.0030.00615.36
7.0.160.0060.00615.49
7.0.150.0030.01015.38
7.0.140.0050.03818.67
7.0.130.0000.00915.36
7.0.120.0060.00315.52
7.0.110.0100.00315.55
7.0.100.0100.00315.00
7.0.90.0030.00915.34
7.0.80.0060.00615.46
7.0.70.0030.01015.21
7.0.60.0080.04717.78
7.0.50.0030.02216.73
7.0.40.0070.04016.86
7.0.30.0180.03716.81
7.0.20.0220.02216.73
7.0.10.0030.05016.76
7.0.00.0100.03716.84
5.6.400.0000.01214.23
5.6.390.0070.00714.04
5.6.380.0000.00814.59
5.6.370.0030.01314.49
5.6.360.0100.00014.57
5.6.350.0070.00714.47
5.6.340.0150.00014.32
5.6.330.0050.00514.18
5.6.320.0030.01014.27
5.6.310.0100.00014.16
5.6.300.0080.00314.20
5.6.290.0000.00914.42
5.6.280.0040.03817.63
5.6.270.0030.00914.15
5.6.260.0060.00914.17
5.6.250.0070.00314.69
5.6.240.0080.00314.35
5.6.230.0080.00814.36
5.6.220.0030.00814.50
5.6.210.0020.04417.34
5.6.200.0080.04316.20
5.6.190.0060.02717.60
5.6.180.0170.04217.46
5.6.170.0170.04117.32
5.6.160.0030.04317.24
5.6.150.0050.02916.22
5.6.140.0070.02716.35
5.6.130.0090.02516.19
5.6.120.0080.04217.70
5.6.110.0100.04217.48
5.6.100.0110.03817.77
5.6.90.0050.02317.54
5.6.80.0080.03617.27
5.6.70.0030.01314.09
5.6.60.0060.00614.18
5.6.50.0100.00714.00
5.6.40.0040.01114.05
5.6.30.0070.00714.06
5.6.20.0030.00714.17
5.6.10.0100.00614.33
5.6.00.0070.00714.24
5.5.380.0030.01014.37
5.5.370.0060.00614.00
5.5.360.0000.00914.30
5.5.350.2020.02717.35
5.5.340.0050.04415.90
5.5.330.0050.03317.42
5.5.320.0100.04917.11
5.5.310.0170.02517.17
5.5.300.0070.04416.02
5.5.290.0040.02616.11
5.5.280.0070.03017.34
5.5.270.0070.02417.50
5.5.260.0060.04117.63
5.5.250.0070.02917.29
5.5.240.0100.04317.19
5.5.230.0030.00613.97
5.5.220.0000.01514.18
5.5.210.0040.00714.23
5.5.200.0030.00714.21
5.5.190.0000.01314.42
5.5.180.0070.00714.37
5.5.170.0140.00014.34
5.5.160.0070.00713.97
5.5.150.0070.00714.05
5.5.140.0000.00914.23
5.5.130.0090.00314.28
5.5.120.0070.00714.22
5.5.110.0060.01014.34
5.5.100.0060.00914.04
5.5.90.0090.00613.99
5.5.80.0090.00614.16
5.5.70.0060.00314.27
5.5.60.0030.01013.76
5.5.50.0030.00614.07
5.5.40.0060.00614.05
5.5.30.0060.00314.20
5.5.20.0090.00614.29
5.5.10.0060.00913.93
5.5.00.0040.00813.68
5.4.450.1280.02715.13
5.4.440.1270.02315.20
5.4.430.1300.02015.07
5.4.420.1220.02615.19
5.4.410.1320.02215.10
5.4.400.1330.02315.03
5.4.390.1280.02315.01
5.4.380.1250.02714.90
5.4.370.1090.02214.98
5.4.360.1130.02115.08
5.4.350.1130.02015.05
5.4.340.1250.02614.99
5.4.330.0060.00610.68
5.4.320.1170.02014.84
5.4.310.1120.01815.05
5.4.300.0030.02915.05
5.4.290.0040.02414.88
5.4.280.0650.02514.97
5.4.270.1220.02014.93
5.4.260.1120.02315.04
5.4.250.1280.02514.73
5.4.240.1330.02514.84
5.4.230.1230.02314.94
5.4.220.1210.01914.88
5.4.210.1200.01815.08
5.4.200.1300.03115.09
5.4.190.0700.02615.00
5.4.180.0060.02114.92
5.4.170.0050.02415.16
5.4.160.0020.02514.96
5.4.150.1150.01815.03
5.4.140.1180.01713.44
5.4.130.1170.01813.47
5.4.120.1150.02113.68
5.4.110.1220.02213.64
5.4.100.1210.02013.67
5.4.90.1240.02113.67
5.4.80.1300.02213.67
5.4.70.1050.02313.55
5.4.60.0100.03313.76
5.4.50.0030.04113.65
5.4.40.0670.03413.57
5.4.30.1170.01813.52
5.4.20.1300.02213.58
5.4.10.1180.02113.56
5.4.00.1230.02313.21
5.3.290.2530.04014.65
5.3.280.2670.04014.44
5.3.270.2830.03714.45
5.3.260.2400.04014.62
5.3.250.0030.04014.51
5.3.240.0030.04014.62
5.3.230.0930.04314.45
5.3.220.2530.03714.52
5.3.210.2270.04014.55
5.3.200.2330.04014.50
5.3.190.2370.03314.53
5.3.180.2330.03714.41
5.3.170.2300.03714.47
5.3.160.2670.04714.44
5.3.150.2470.04014.41
5.3.140.1700.03714.39
5.3.130.0000.05014.38
5.3.120.0130.07314.38
5.3.110.1530.04014.49
5.3.100.2430.03014.08
5.3.90.2400.03013.92
5.3.80.2670.04013.82
5.3.70.2430.03713.97
5.3.60.2330.04013.94
5.3.50.2530.03713.80
5.3.40.2530.03013.74
5.3.30.2570.03713.86
5.3.20.2570.03013.70
5.3.10.2530.04313.56
5.3.00.2530.03313.64
5.2.170.2070.03311.21
5.2.160.1870.03011.22
5.2.150.2130.03011.30
5.2.140.2200.03310.99
5.2.130.2200.03311.12
5.2.120.2200.03010.96
5.2.110.2130.03311.25
5.2.100.0770.04310.95
5.2.90.0030.05310.94
5.2.80.0030.03010.95
5.2.70.0670.03310.94
5.2.60.2000.03311.13
5.2.50.1870.03310.95
5.2.40.1670.02010.84
5.2.30.1700.03010.86
5.2.20.1730.02710.89
5.2.10.1630.03310.93
5.2.00.1700.01710.64
5.1.60.1830.02310.15
5.1.50.1530.0279.92
5.1.40.1670.03010.09
5.1.30.1900.02310.27
5.1.20.0800.04010.25
5.1.10.0000.06010.04
5.1.00.0030.05710.00
5.0.50.0070.0438.67
5.0.40.0000.0378.35
5.0.30.0000.0438.23
5.0.20.0230.0408.42
5.0.10.0800.0238.05
5.0.00.0870.0478.10
4.4.90.0800.0137.86
4.4.80.0870.0277.86
4.4.70.0800.0137.86
4.4.60.0930.0177.86
4.4.50.0900.0237.86
4.4.40.0670.0277.86
4.4.30.0870.0277.86
4.4.20.0800.0177.86
4.4.10.0770.0137.86
4.4.00.0800.0207.86
4.3.110.0800.0137.86
4.3.100.1030.0207.86
4.3.90.1070.0207.86
4.3.80.0830.0237.86
4.3.70.0900.0237.86
4.3.60.1000.0137.86
4.3.50.0930.0207.86
4.3.40.0730.0237.86
4.3.30.0370.0177.86
4.3.20.0370.0177.86
4.3.10.0500.0237.86
4.3.00.0470.0137.86

preferences:
57.72 ms | 401 KiB | 5 Q