3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "carlos"; echo strtoupper("%".$a);

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)
8.3.40.0040.01118.71
8.3.30.0120.00318.30
8.3.20.0050.00318.48
8.3.10.0080.00018.51
8.3.00.0000.00819.04
8.2.170.0180.00322.96
8.2.160.0090.00618.91
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00319.54
8.2.110.0070.00322.25
8.2.100.0030.01017.78
8.2.90.0040.00419.07
8.2.80.0030.00617.97
8.2.70.0000.00817.37
8.2.60.0080.00019.53
8.2.50.0060.00318.07
8.2.40.0000.00819.23
8.2.30.0070.00317.74
8.2.20.0100.00017.55
8.2.10.0000.00717.77
8.2.00.0050.00617.67
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00022.05
8.1.230.0000.01118.80
8.1.220.0050.00317.76
8.1.210.0030.00518.77
8.1.200.0030.00617.13
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0050.00318.90
8.1.160.0000.00718.95
8.1.150.0040.00418.57
8.1.140.0000.00717.39
8.1.130.0070.00019.05
8.1.120.0040.00417.38
8.1.110.0050.00317.27
8.1.100.0000.00717.29
8.1.90.0000.00717.43
8.1.80.0000.00717.40
8.1.70.0070.00017.32
8.1.60.0000.00717.41
8.1.50.0040.00417.40
8.1.40.0000.00717.33
8.1.30.0030.00517.48
8.1.20.0080.00417.50
8.1.10.0040.00417.50
8.1.00.0090.00017.38
8.0.300.0060.00318.77
8.0.290.0080.00016.63
8.0.280.0030.00618.49
8.0.270.0000.00717.24
8.0.260.0030.00316.86
8.0.250.0070.00316.85
8.0.240.0000.00716.87
8.0.230.0000.00716.82
8.0.220.0000.00916.87
8.0.210.0000.00716.89
8.0.200.0040.00716.92
8.0.190.0050.00216.85
8.0.180.0070.00016.92
8.0.170.0000.00816.92
8.0.160.0000.00716.95
8.0.150.0000.00816.86
8.0.140.0040.00416.73
8.0.130.0060.00013.34
8.0.120.0070.00316.79
8.0.110.0040.00416.72
8.0.100.0030.00616.91
8.0.90.0000.00716.87
8.0.80.0120.00916.79
8.0.70.0030.00516.81
8.0.60.0040.00416.73
8.0.50.0040.00416.87
8.0.30.0130.00617.20
8.0.20.0060.01217.15
8.0.10.0050.00216.93
8.0.00.0130.00916.72
7.4.330.0050.00012.90
7.4.320.0000.00616.41
7.4.300.0060.00016.53
7.4.290.0030.00616.56
7.4.280.0070.00016.50
7.4.270.0070.00016.41
7.4.260.0020.00213.18
7.4.250.0040.00416.46
7.4.240.0040.00416.47
7.4.230.0000.00716.47
7.4.220.0160.01016.56
7.4.210.0110.00416.39
7.4.200.0070.00016.48
7.4.190.0000.00816.61
7.4.160.0090.00616.65
7.4.150.0100.00716.53
7.4.140.0070.01117.86
7.4.130.0140.00716.25
7.4.120.0160.00316.39
7.4.110.0070.01116.48
7.4.100.0090.01216.39
7.4.90.0090.01516.43
7.4.80.0080.01019.39
7.4.70.0070.01616.52
7.4.60.0100.00616.55
7.4.50.0000.00416.23
7.4.40.0030.01016.38
7.4.30.0090.00916.50
7.4.00.0030.01414.72
7.3.330.0070.00013.17
7.3.320.0050.00013.00
7.3.310.0070.00016.11
7.3.300.0040.00416.04
7.3.290.0080.00916.23
7.3.280.0110.00416.22
7.3.270.0140.00316.43
7.3.260.0190.00416.07
7.3.240.0090.00616.10
7.3.230.0120.00616.32
7.3.210.0140.00416.39
7.3.200.0100.00716.36
7.3.190.0120.00916.49
7.3.180.0130.00316.18
7.3.170.0180.00616.35
7.3.160.0120.00316.36
7.3.120.0110.00514.87
7.3.110.0060.01214.69
7.3.100.0030.01014.57
7.3.90.0030.01414.84
7.3.80.0060.01014.75
7.3.70.0090.00614.69
7.3.60.0030.00714.84
7.3.50.0060.00914.73
7.3.40.0100.00714.76
7.3.30.0030.00614.52
7.3.20.0110.00316.45
7.3.10.0100.00316.63
7.3.00.0100.00716.76
7.2.330.0130.00316.40
7.2.320.0110.00716.55
7.2.310.0060.01216.38
7.2.300.0080.01416.67
7.2.290.0100.01016.34
7.2.250.0030.01315.07
7.2.240.0000.01915.06
7.2.230.0080.00415.06
7.2.220.0070.01115.06
7.2.210.0060.00915.09
7.2.200.0090.00614.87
7.2.190.0030.01214.98
7.2.180.0100.00915.16
7.2.170.0040.01415.00
7.2.00.0000.01219.48
7.1.330.0030.01015.73
7.1.320.0000.01115.61
7.1.310.0000.01515.47
7.1.300.0040.00715.48
7.1.290.0060.00915.40
7.1.280.0090.00915.87
7.1.270.0040.00415.65
7.1.260.0060.00815.62
7.1.100.0090.00618.01
7.1.70.0090.00316.76
7.1.60.0030.01019.21
7.1.50.0100.01016.84
7.1.00.0030.07022.53
7.0.200.0000.01016.73
7.0.140.0070.07022.12
7.0.120.0030.03022.05
7.0.60.0100.05719.86
7.0.50.0100.04717.80
7.0.40.0030.05017.80
7.0.30.0030.08317.81
7.0.20.0070.07317.66
7.0.10.0000.05717.75
7.0.00.0170.07717.78
5.6.280.0000.07720.77
5.6.210.0030.08720.75
5.6.200.0100.05318.13
5.6.190.0100.07718.15
5.6.180.0100.03718.22
5.6.170.0100.06318.18
5.6.160.0100.07718.18
5.6.150.0130.07718.19
5.6.140.0000.05018.21
5.6.130.0030.09018.21
5.6.120.0100.08018.11
5.6.110.0000.08018.07
5.6.100.0030.05318.21
5.6.90.0100.08318.19
5.6.80.0130.07317.60
5.6.70.0130.06017.49
5.6.60.0100.04717.54
5.6.50.0030.06017.60
5.6.40.0070.08317.47
5.6.30.0030.08017.51
5.6.20.0100.03317.57
5.6.10.0030.03717.46
5.6.00.0030.03717.53
5.5.350.0130.07320.48
5.5.340.0130.08018.02
5.5.330.0070.06717.88
5.5.320.0100.04717.91
5.5.310.0230.06717.98
5.5.300.0100.07717.91
5.5.290.0130.07318.02
5.5.280.0170.07318.01
5.5.270.0100.08317.88
5.5.260.0030.06317.93
5.5.250.0070.06317.82
5.5.240.0100.07317.33
5.5.230.0070.05017.32
5.5.220.0000.04317.38
5.5.210.0070.07717.38
5.5.200.0100.07317.33
5.5.190.0000.04317.33
5.5.180.0070.03717.27
5.5.160.0070.03317.33
5.5.150.0030.03717.38
5.5.140.0030.04017.23
5.5.130.0100.03017.29
5.5.120.0100.03017.32
5.5.110.0000.04017.23
5.5.100.0070.03317.14
5.5.90.0030.03717.15
5.5.80.0130.03717.14
5.5.70.0000.04017.21
5.5.60.0070.03317.26
5.5.50.0000.04317.13
5.5.40.0000.04717.25
5.5.30.0070.03317.25
5.5.20.0070.03317.15
5.5.10.0100.03717.25
5.5.00.0070.03317.18
5.4.450.0130.08019.36
5.4.440.0130.07319.44
5.4.430.0030.08019.47
5.4.420.0070.06719.34
5.4.410.0030.08019.29
5.4.400.0100.07718.98
5.4.390.0130.03718.98
5.4.380.0130.05018.95
5.4.370.0030.06319.13
5.4.360.0130.07318.89
5.4.350.0030.04019.09
5.4.340.0030.04318.98
5.4.320.0030.04019.12
5.4.310.0130.02718.88
5.4.300.0030.03718.98
5.4.290.0070.03319.00
5.4.280.0070.03318.96
5.4.270.0000.04019.05
5.4.260.0100.04319.09
5.4.250.0070.03318.96
5.4.240.0070.03319.04
5.4.230.0030.04018.98
5.4.220.0000.04019.04
5.4.210.0000.04018.88
5.4.200.0000.04018.94
5.4.190.0070.03318.99
5.4.180.0070.03319.10
5.4.170.0030.03718.96
5.4.160.0000.04019.01
5.4.150.0000.04019.01
5.4.140.0000.03716.44
5.4.130.0030.03316.32
5.4.120.0000.03716.25
5.4.110.0030.03316.43
5.4.100.0000.03716.27
5.4.90.0070.04016.29
5.4.80.0030.03316.31
5.4.70.0000.07716.26
5.4.60.0030.03716.24
5.4.50.0070.06316.25
5.4.40.0030.06316.26
5.4.30.0100.06716.25
5.4.20.0070.03716.32
5.4.10.0130.06016.26
5.4.00.0100.04315.72
5.3.290.0000.04014.45
5.3.280.0070.03314.55
5.3.270.0100.03014.42
5.3.260.0000.04014.57
5.3.250.0030.03714.42
5.3.240.0000.04314.43
5.3.230.0030.03714.50
5.3.220.0030.03714.39
5.3.210.0000.04014.64
5.3.200.0030.03314.52
5.3.190.0070.03314.52
5.3.180.0030.04014.49
5.3.170.0100.02714.48
5.3.160.0130.07014.39
5.3.150.0070.07314.49
5.3.140.0030.06714.49
5.3.130.0070.08014.53
5.3.120.0030.05014.51
5.3.110.0170.03314.41
5.3.100.0070.06713.81
5.3.90.0170.07013.95
5.3.80.0070.07713.96
5.3.70.0070.06713.92
5.3.60.0130.04314.07
5.3.50.0070.07013.93
5.3.40.0100.07013.89
5.3.30.0100.06713.68
5.3.20.0070.03313.47
5.3.10.0030.05013.40
5.3.00.0130.07013.48
5.2.170.0070.05711.11
5.2.160.0000.06311.09
5.2.150.0030.04311.12
5.2.140.0070.03311.17
5.2.130.0030.04311.05
5.2.120.0130.05311.04
5.2.110.0000.07010.95
5.2.100.0070.05011.03
5.2.90.0070.05711.07
5.2.80.0030.06011.09
5.2.70.0000.05711.11
5.2.60.0070.04310.98
5.2.50.0030.05311.02
5.2.40.0100.05711.13
5.2.30.0130.05710.86
5.2.20.0130.05010.83
5.2.10.0000.05311.00
5.2.00.0030.06310.66
5.1.60.0030.0539.95
5.1.50.0070.05310.04
5.1.40.0070.0339.89
5.1.30.0130.04310.34
5.1.20.0130.05010.34
5.1.10.0030.05710.21
5.1.00.0100.0509.99
5.0.50.0070.0278.54
5.0.40.0000.0438.39
5.0.30.0000.0608.14
5.0.20.0000.0478.24
5.0.10.0070.0338.36
5.0.00.0000.0508.21
4.4.90.0030.0238.10
4.4.80.0000.0408.10
4.4.70.0000.0338.10
4.4.60.0030.0238.10
4.4.50.0030.0378.10
4.4.40.0000.0538.10
4.4.30.0070.0308.10
4.4.20.0100.0308.10
4.4.10.0100.0278.10
4.4.00.0070.0508.10
4.3.110.0000.0408.10
4.3.100.0070.0338.10
4.3.90.0030.0308.10
4.3.80.0030.0538.10
4.3.70.0000.0208.10
4.3.60.0000.0338.10
4.3.50.0030.0308.10
4.3.40.0030.0538.10
4.3.30.0000.0308.10
4.3.20.0030.0338.10
4.3.10.0000.0378.10
4.3.00.0000.0378.10

preferences:
41.73 ms | 400 KiB | 5 Q