3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'a,b,c,d,e'; $arr = explode( ',', $str); $last = array_pop( $arr); $arr[] = array_pop( $arr) . $last; echo implode( ',', $arr);

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)
8.3.70.0040.01416.58
8.3.60.0070.01118.23
8.3.50.0030.01521.99
8.3.40.0140.00718.88
8.3.30.0070.01118.71
8.3.20.0000.00818.63
8.3.10.0080.00021.15
8.3.00.0040.00421.61
8.2.180.0140.00716.32
8.2.170.0120.00322.96
8.2.160.0000.01320.35
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0040.00419.25
8.2.110.0000.00920.52
8.2.100.0060.00617.72
8.2.90.0030.00619.39
8.2.80.0040.00417.97
8.2.70.0050.00317.75
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0050.00318.34
8.2.30.0080.00019.89
8.2.20.0040.00417.60
8.2.10.0030.00617.73
8.2.00.0050.00317.66
8.1.280.0000.01425.92
8.1.270.0000.00723.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0040.00820.77
8.1.230.0080.00420.97
8.1.220.0080.00018.77
8.1.210.0080.00018.93
8.1.200.0060.00317.35
8.1.190.0030.00519.29
8.1.180.0040.00418.10
8.1.170.0000.00818.53
8.1.160.0040.00418.80
8.1.150.0040.00418.54
8.1.140.0030.00517.32
8.1.130.0070.00017.73
8.1.120.0000.00717.37
8.1.110.0030.00517.34
8.1.100.0000.00717.37
8.1.90.0040.00417.52
8.1.80.0000.00717.49
8.1.70.0030.00517.44
8.1.60.0030.00617.65
8.1.50.0040.00417.45
8.1.40.0000.00717.50
8.1.30.0000.00817.55
8.1.20.0050.00217.69
8.1.10.0020.00517.49
8.1.00.0000.00717.46
8.0.300.0000.00719.98
8.0.290.0030.00517.05
8.0.280.0070.00018.49
8.0.270.0040.00417.13
8.0.260.0030.00316.88
8.0.250.0000.00816.99
8.0.240.0000.00816.81
8.0.230.0000.00816.87
8.0.220.0030.00516.91
8.0.210.0070.00016.87
8.0.200.0030.00316.84
8.0.190.0040.00416.99
8.0.180.0040.00416.82
8.0.170.0070.00016.95
8.0.160.0000.00716.88
8.0.150.0080.00016.80
8.0.140.0060.00316.74
8.0.130.0000.00713.36
8.0.120.0030.00516.91
8.0.110.0000.00716.87
8.0.100.0000.00716.83
8.0.90.0000.00716.88
8.0.80.0060.00916.88
8.0.70.0000.00816.78
8.0.60.0040.00416.83
8.0.50.0000.00816.82
8.0.30.0110.00817.05
8.0.20.0140.00517.40
8.0.10.0000.00716.88
8.0.00.0060.01216.58
7.4.330.0000.00614.65
7.4.320.0030.00316.42
7.4.300.0000.00616.51
7.4.290.0030.00316.58
7.4.280.0040.00416.65
7.4.270.0000.00716.36
7.4.260.0050.00013.23
7.4.250.0030.00516.44
7.4.240.0020.00516.51
7.4.230.0070.00016.62
7.4.220.0100.01116.51
7.4.210.0100.00616.49
7.4.200.0070.00016.53
7.4.190.0000.00716.70
7.4.160.0070.00716.42
7.4.150.0100.01017.40
7.4.140.0080.01117.86
7.4.130.0080.01016.47
7.4.120.0080.00816.63
7.4.110.0100.00716.54
7.4.100.0070.01116.59
7.4.90.0120.00616.37
7.4.80.0140.00419.37
7.4.70.0140.00716.51
7.4.60.0120.00316.36
7.4.50.0050.00016.45
7.4.40.0000.01822.27
7.4.30.0090.00916.55
7.4.00.0060.00614.90
7.3.330.0020.00313.17
7.3.320.0020.00213.13
7.3.310.0030.00316.26
7.3.300.0030.00316.10
7.3.290.0080.00816.22
7.3.280.0080.00816.23
7.3.270.0050.01317.40
7.3.260.0110.00618.24
7.3.250.0130.00716.33
7.3.240.0130.00316.36
7.3.230.0100.00716.58
7.3.210.0090.00616.27
7.3.200.0090.01319.39
7.3.190.0140.00716.29
7.3.180.0070.00716.51
7.3.170.0070.01016.39
7.3.160.0090.00616.30
7.3.120.0030.00914.73
7.3.10.0100.00716.57
7.3.00.0040.01116.63
7.2.330.0030.01316.77
7.2.320.0160.00416.70
7.2.310.0120.00316.84
7.2.300.0090.01216.48
7.2.290.0040.01416.55
7.2.130.0040.00416.54
7.2.120.0040.01116.96
7.2.110.0110.00016.85
7.2.100.0060.00916.70
7.2.90.0140.00017.02
7.2.80.0030.00916.72
7.2.70.0030.01316.86
7.2.60.0040.00416.77
7.2.50.0000.00917.04
7.2.40.0000.01016.73
7.2.30.0040.00417.10
7.2.20.0000.01716.85
7.2.10.0040.00416.94
7.2.00.0000.01016.86
7.1.250.0070.00415.74
7.1.70.0030.01217.05
7.1.60.0080.00417.13
7.1.50.0140.01117.05
7.1.00.0000.05722.45
7.0.200.0100.00616.97
7.0.140.0030.07321.95
7.0.70.0030.06321.64
7.0.60.0070.07721.74
7.0.50.0100.06022.11
7.0.40.0100.08020.00
7.0.30.0070.08020.11
7.0.20.0030.05719.97
7.0.10.0000.08720.00
7.0.00.0030.07320.02
5.6.280.0100.06720.81
5.6.220.0100.05720.57
5.6.210.0030.07320.53
5.6.200.0000.08321.11
5.6.190.0030.05320.93
5.6.180.0100.05021.16
5.6.170.0000.06321.08
5.6.160.0070.03720.95
5.6.150.0030.08320.98
5.6.140.0000.06021.13
5.6.130.0070.08020.96
5.6.120.0000.09021.11
5.6.110.0000.09021.00
5.6.100.0030.08721.08
5.6.90.0100.04021.08
5.6.80.0100.03320.31
5.6.70.0030.05320.42
5.6.60.0000.04320.50
5.6.50.0030.08020.33
5.6.40.0030.08020.41
5.6.30.0070.06020.29
5.6.20.0070.05720.41
5.6.10.0100.07020.48
5.6.00.0030.08320.37
5.5.360.0030.06020.34
5.5.350.0070.07720.31
5.5.340.0070.08020.91
5.5.330.0070.06320.88
5.5.320.0030.08320.77
5.5.310.0030.07320.73
5.5.300.0000.08720.72
5.5.290.0100.07720.86
5.5.280.0100.08020.90
5.5.270.0100.04720.89
5.5.260.0070.06720.87
5.5.250.0000.04320.58
5.5.240.0030.08020.16
5.5.230.0030.06320.20
5.5.220.0000.06320.25
5.5.210.0030.08020.29
5.5.200.0000.06720.12
5.5.190.0030.04320.14
5.5.180.0030.08020.22
5.5.160.0030.06720.24
5.5.150.0070.08020.23
5.5.140.0030.07320.14
5.5.130.0000.07020.24
5.5.120.0030.07020.27
5.5.110.0100.06320.13
5.5.100.0000.05320.13
5.5.90.0000.07320.06
5.5.80.0030.07020.00
5.5.70.0000.08720.00
5.5.60.0070.06319.95
5.5.50.0000.07020.03
5.5.40.0030.05719.99
5.5.30.0030.04720.02
5.5.20.0000.04020.03
5.5.10.0000.05320.13
5.5.00.0070.05320.02
5.4.450.0070.04719.23
5.4.440.0000.06719.35
5.4.430.0030.07719.28
5.4.420.0030.08319.12
5.4.410.0000.06319.23
5.4.400.0000.08018.94
5.4.390.0070.07018.81
5.4.380.0030.07319.04
5.4.370.0100.06718.80
5.4.360.0030.07719.22
5.4.350.0030.07019.04
5.4.340.0070.07319.02
5.4.320.0070.06719.05
5.4.310.0000.07719.14
5.4.300.0000.06718.97
5.4.290.0030.05319.11
5.4.280.0100.07019.16
5.4.270.0100.07019.12
5.4.260.0030.07019.02
5.4.250.0000.06719.08
5.4.240.0030.07019.01
5.4.230.0030.05319.11
5.4.220.0030.06719.10
5.4.210.0070.06719.09
5.4.200.0000.04718.79
5.4.190.0100.05018.95
5.4.180.0000.04319.08
5.4.170.0070.03718.80
5.4.160.0000.07718.79
5.4.150.0000.07718.98
5.4.140.0000.08016.02
5.4.130.0000.06716.25
5.4.120.0070.05016.28
5.4.110.0100.06716.26
5.4.100.0030.07016.40
5.4.90.0100.06716.30
5.4.80.0000.05716.30
5.4.70.0070.05316.39
5.4.60.0070.05016.41
5.4.50.0000.06316.39
5.4.40.0000.08016.29
5.4.30.0070.07016.41
5.4.20.0070.06716.27
5.4.10.0030.05716.27
5.4.00.0030.07315.51
5.3.290.0070.05014.52
5.3.280.0030.05714.45
5.3.270.0000.06014.61
5.3.260.0000.07314.46
5.3.250.0100.05714.44
5.3.240.0030.06714.46
5.3.230.0000.08014.45
5.3.220.0030.05714.43
5.3.210.0030.07314.42
5.3.200.0030.04714.51
5.3.190.0000.05714.55
5.3.180.0000.05714.41
5.3.170.0030.08014.54
5.3.160.0070.07014.52
5.3.150.0100.07014.50
5.3.140.0070.07014.46
5.3.130.0070.07714.36
5.3.120.0070.07714.54
5.3.110.0030.07314.40
5.3.100.0000.07013.97
5.3.90.0070.07014.02
5.3.80.0000.06314.02
5.3.70.0000.08013.87
5.3.60.0030.07013.96
5.3.50.0070.05313.93
5.3.40.0030.07313.80
5.3.30.0000.08013.85
5.3.20.0030.07013.46
5.3.10.0030.07313.60
5.3.00.0030.07713.40
5.2.170.0000.06711.10
5.2.160.0070.05011.14
5.2.150.0000.06311.13
5.2.140.0070.06010.97
5.2.130.0030.06010.89
5.2.120.0000.06011.09
5.2.110.0100.05311.12
5.2.100.0000.05311.14
5.2.90.0000.03311.05
5.2.80.0000.04010.93
5.2.70.0100.05311.09
5.2.60.0030.06011.07
5.2.50.0000.05010.97
5.2.40.0030.06010.95
5.2.30.0030.06010.99
5.2.20.0000.06710.99
5.2.10.0000.05710.91
5.2.00.0070.04310.86
5.1.60.0000.04010.86
5.1.50.0030.04310.86
5.1.40.0000.04710.86
5.1.30.0030.05310.86
5.1.20.0030.05010.86
5.1.10.0070.03710.86
5.1.00.0000.05310.86
5.0.50.0000.04710.86
5.0.40.0000.05010.86
5.0.30.0030.06710.86
5.0.20.0000.03710.86
5.0.10.0030.04010.86
5.0.00.0000.06310.86
4.4.90.0000.03010.86
4.4.80.0030.03310.86
4.4.70.0000.03310.86
4.4.60.0030.03310.86
4.4.50.0000.03710.86
4.4.40.0000.05310.86
4.4.30.0000.03310.86
4.4.20.0000.03710.86
4.4.10.0000.03010.86
4.4.00.0000.05710.86
4.3.110.0000.03010.86
4.3.100.0000.02710.86
4.3.90.0000.02010.86
4.3.80.0030.03010.86
4.3.70.0000.02710.86
4.3.60.0070.02010.86
4.3.50.0070.02710.86
4.3.40.0000.04010.86
4.3.30.0000.02310.86
4.3.20.0000.02710.86
4.3.10.0000.03010.86
4.3.00.0030.02310.86

preferences:
47.51 ms | 401 KiB | 5 Q