3v4l.org

run code in 300+ PHP versions simultaneously
<?php //all uppercase letters print(strtoupper("the quick brown fox jumps over the lazy dog.<br>")); //all lowercase letters print(strtolower("THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG<br>")); // make a string's first character uppercase print(ucfirst("the quick brown fox jumps over the lazy dog.<br>")); // make a string's first character of all the words uppercase print(ucwords("the quick brown fox jumps over the lazy dog.<br>")); ?>

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)
8.3.40.0140.00318.47
8.3.30.0070.01018.91
8.3.20.0040.00420.16
8.3.10.0090.00023.70
8.3.00.0030.00617.63
8.2.170.0090.00622.96
8.2.160.0100.00320.52
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0040.00422.25
8.2.110.0030.00620.42
8.2.100.0080.00417.84
8.2.90.0040.00417.63
8.2.80.0050.00318.61
8.2.70.0060.00317.50
8.2.60.0050.00317.80
8.2.50.0030.00618.07
8.2.40.0060.00318.17
8.2.30.0000.00817.93
8.2.20.0070.00017.63
8.2.10.0030.00318.00
8.2.00.0070.00317.47
8.1.270.0080.00023.97
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0030.00623.90
8.1.230.0090.00322.20
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.10
8.1.190.0060.00317.13
8.1.180.0060.00318.10
8.1.170.0070.00018.75
8.1.160.0000.00818.75
8.1.150.0000.00718.48
8.1.140.0050.00317.23
8.1.130.0030.00317.74
8.1.120.0000.00717.21
8.1.110.0030.00617.28
8.1.100.0040.00417.33
8.1.90.0000.00717.32
8.1.80.0040.00417.26
8.1.70.0030.00317.31
8.1.60.0030.00617.41
8.1.50.0060.00317.43
8.1.40.0000.00817.39
8.1.30.0040.00417.47
8.1.20.0000.00817.55
8.1.10.0050.00217.48
8.1.00.0040.00417.36
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0040.00418.29
8.0.270.0000.00716.77
8.0.260.0040.00417.19
8.0.250.0000.00716.91
8.0.240.0000.00716.91
8.0.230.0030.00316.71
8.0.220.0000.00716.71
8.0.210.0030.00316.68
8.0.200.0000.00716.85
8.0.190.0000.00916.76
8.0.180.0030.00616.77
8.0.170.0030.00516.81
8.0.160.0000.00716.74
8.0.150.0040.00416.71
8.0.140.0000.00716.70
8.0.130.0030.00313.23
8.0.120.0040.00416.64
8.0.110.0030.00516.70
8.0.100.0040.00416.80
8.0.90.0030.00316.81
8.0.80.0090.01316.75
8.0.70.0070.00016.77
8.0.60.0040.00416.68
8.0.50.0040.00416.83
8.0.30.0110.00916.87
8.0.20.0060.01317.40
8.0.10.0080.00016.84
8.0.00.0090.00816.60
7.4.330.0050.00015.00
7.4.320.0020.00516.50
7.4.300.0030.00616.38
7.4.290.0070.00016.44
7.4.280.0070.00016.29
7.4.270.0040.00416.37
7.4.260.0000.00716.46
7.4.250.0000.00716.33
7.4.240.0020.00516.48
7.4.230.0000.00716.21
7.4.220.0000.01516.32
7.4.210.0080.00616.49
7.4.200.0000.00716.57
7.4.190.0070.00016.56
7.4.160.0090.00616.54
7.4.150.0080.01117.40
7.4.140.0030.01517.86
7.4.130.0060.01116.33
7.4.120.0100.00816.39
7.4.110.0120.00616.32
7.4.100.0090.00916.38
7.4.90.0120.00916.23
7.4.80.0120.00619.39
7.4.70.0060.01316.34
7.4.60.0090.00616.31
7.4.50.0030.00316.18
7.4.40.0030.01322.77
7.4.30.0050.01116.33
7.4.00.0100.00714.83
7.3.330.0030.00312.94
7.3.320.0000.00512.99
7.3.310.0030.00316.14
7.3.300.0000.00616.12
7.3.290.0100.01016.17
7.3.280.0080.00916.11
7.3.270.0040.01217.40
7.3.260.0130.00916.19
7.3.250.0080.00916.42
7.3.240.0070.01016.34
7.3.230.0110.00616.46
7.3.210.0100.01116.28
7.3.200.0120.00919.39
7.3.190.0130.00716.40
7.3.180.0090.00616.50
7.3.170.0110.00916.27
7.3.160.0060.01016.45
7.3.120.0130.00314.79
7.3.110.0110.00414.71
7.3.100.0100.00314.48
7.3.90.0040.01114.67
7.3.80.0100.00715.00
7.3.70.0070.00714.55
7.3.60.0090.00614.66
7.3.50.0060.00914.87
7.3.40.0060.00614.41
7.3.30.0030.01014.78
7.3.20.0050.00516.41
7.3.10.0060.00916.34
7.3.00.0060.00316.41
7.2.330.0060.01516.64
7.2.320.0140.00316.52
7.2.310.0070.01016.33
7.2.300.0060.00916.36
7.2.290.0070.01516.29
7.2.240.0000.01614.96
7.2.230.0060.00914.74
7.2.220.0030.00914.82
7.2.210.0070.00714.96
7.2.200.0030.00614.98
7.2.190.0030.01414.89
7.2.180.0030.01314.74
7.2.170.0060.00614.83
7.2.160.0040.01114.72
7.2.150.0030.01416.85
7.2.140.0090.00616.80
7.2.130.0060.01216.83
7.2.120.0100.00616.86
7.2.110.0040.00716.70
7.2.100.0120.00416.85
7.2.90.0070.01016.79
7.2.80.0040.00716.86
7.2.70.0170.00017.02
7.2.60.0030.01216.82
7.2.50.0090.00616.80
7.2.40.0030.01316.84
7.2.30.0060.00917.03
7.2.20.0030.00716.75
7.2.10.0070.01016.64
7.2.00.0030.01318.02
7.1.330.0030.01015.63
7.1.320.0040.00815.62
7.1.310.0070.01015.59
7.1.300.0040.00715.64
7.1.290.0060.00315.33
7.1.280.0090.00915.66
7.1.270.0130.00015.81
7.1.260.0030.00915.68
7.1.250.0000.01615.82
7.1.200.0030.00915.59
7.1.100.0040.00817.95
7.1.70.0000.00816.97
7.1.60.0140.01119.46
7.1.50.0130.00616.71
7.1.00.0030.07322.34
7.0.200.0000.00916.66
7.0.140.0000.07322.07
7.0.100.0070.06719.94
7.0.90.0330.07319.93
7.0.80.0100.07319.97
7.0.70.0170.07719.92
7.0.60.0200.08019.91
7.0.50.0200.04020.32
7.0.40.0030.03720.10
7.0.30.0100.07720.07
7.0.20.0070.07020.14
7.0.10.0100.07720.04
7.0.00.0100.04319.95
5.6.280.0030.06720.86
5.6.250.0030.08020.56
5.6.240.0030.04720.71
5.6.230.0100.07720.58
5.6.220.0130.03720.64
5.6.210.0100.06320.60
5.6.200.0070.03721.10
5.6.190.0100.08020.95
5.6.180.0100.04721.07
5.6.170.0200.07021.04
5.6.160.0000.09321.08
5.6.150.0100.03721.16
5.6.140.0070.03321.04
5.6.130.0000.04021.06
5.6.120.0030.06321.03
5.6.110.0070.04321.04
5.6.100.0000.05021.07
5.6.90.0000.05021.05
5.6.80.0100.04020.31
5.6.70.0070.08320.42
5.6.60.0030.03720.38
5.6.50.0070.06320.41
5.6.40.0100.07020.45
5.6.30.0130.08020.37
5.6.20.0070.03320.41
5.6.10.0030.04020.35
5.6.00.0100.03320.27
5.5.380.0000.05720.38
5.5.370.0070.06720.41
5.5.360.0170.07320.40
5.5.350.0030.08320.36
5.5.340.0130.07020.75
5.5.330.0030.07720.77
5.5.320.0070.06720.91
5.5.310.0100.07320.60
5.5.300.0130.07720.64
5.5.290.0030.04020.79
5.5.280.0070.08020.89
5.5.270.0030.04020.87
5.5.260.0100.04320.82
5.5.250.0070.07020.63
5.5.240.0030.05720.23
5.5.230.0000.06320.20
5.5.220.0070.03320.17
5.5.210.0200.05320.25
5.5.200.0030.04320.27
5.5.190.0070.03320.20
5.5.180.0000.06320.12
5.5.160.0070.07020.24
5.5.150.0070.04720.23
5.5.140.0030.03320.21
5.5.130.0000.03720.10
5.5.120.0030.04020.18
5.5.110.0100.08020.08
5.5.100.0100.07720.14
5.5.90.0070.04020.05
5.5.80.0070.04320.03
5.5.70.0100.07720.09
5.5.60.0130.06319.99
5.5.50.0270.04720.02
5.5.40.0100.05020.04
5.5.30.0100.04319.99
5.5.20.0000.04720.13
5.5.10.0100.08020.03
5.5.00.0170.06720.08
5.4.450.0030.04719.35
5.4.440.0100.03019.14
5.4.430.0000.04719.38
5.4.420.0070.04019.13
5.4.410.0100.04019.10
5.4.400.0030.07019.08
5.4.390.0070.07319.14
5.4.380.0100.07319.07
5.4.370.0100.02719.10
5.4.360.0100.07719.04
5.4.350.0030.03318.80
5.4.340.0100.03718.95
5.4.320.0170.05319.04
5.4.310.0030.08019.00
5.4.300.0030.03318.80
5.4.290.0000.03719.05
5.4.280.0030.05019.05
5.4.270.0070.03318.96
5.4.260.0000.08319.02
5.4.250.0030.06318.83
5.4.240.0070.04018.90
5.4.230.0030.05719.12
5.4.220.0070.07319.02
5.4.210.0070.07718.89
5.4.200.0070.04019.11
5.4.190.0030.04018.89
5.4.180.0070.04019.04
5.4.170.0030.05018.95
5.4.160.0100.07018.88
5.4.150.0000.08718.88
5.4.140.0070.07316.37
5.4.130.0100.07016.17
5.4.120.0030.06316.37
5.4.110.0100.05716.36
5.4.100.0130.06716.22
5.4.90.0100.06716.22
5.4.80.0070.04016.29
5.4.70.0070.03716.36
5.4.60.0070.07716.23
5.4.50.0000.04316.22
5.4.40.0000.04316.25
5.4.30.0100.07016.31
5.4.20.0000.07716.19
5.4.10.0070.04016.27
5.4.00.0030.04015.78
5.3.290.0070.07314.64
5.3.280.0100.04314.57
5.3.270.0130.04014.58
5.3.260.0070.08014.41
5.3.250.0100.07714.46
5.3.240.0000.05014.47
5.3.230.0130.04014.58
5.3.220.0070.04314.38
5.3.210.0100.06014.55
5.3.200.0070.04314.55
5.3.190.0130.06314.43
5.3.180.0130.06714.39
5.3.170.0030.07714.42
5.3.160.0200.03014.47
5.3.150.0000.04314.54
5.3.140.0170.03314.41
5.3.130.0130.03014.50
5.3.120.0000.04714.48
5.3.110.0070.07714.50
5.3.100.0030.08014.04
5.3.90.0000.04314.01
5.3.80.0170.06314.00
5.3.70.0100.04013.87
5.3.60.0230.03013.96
5.3.50.0100.05313.93
5.3.40.0000.04013.79
5.3.30.0030.04713.89
5.3.20.0030.04713.64
5.3.10.0070.03713.64
5.3.00.0030.07313.64
5.2.170.0070.05713.64
5.2.160.0070.04713.64
5.2.150.0100.04313.64
5.2.140.0100.05313.64
5.2.130.0030.05313.64
5.2.120.0170.02313.64
5.2.110.0070.03713.64
5.2.100.0100.05313.64
5.2.90.0000.05013.64
5.2.80.0100.05713.64
5.2.70.0100.04713.64
5.2.60.0030.03013.64
5.2.50.0030.02713.64
5.2.40.0000.03313.64
5.2.30.0030.03013.64
5.2.20.0070.05313.64
5.2.10.0070.04313.64
5.2.00.0100.05713.64
5.1.60.0030.03313.64
5.1.50.0030.02713.64
5.1.40.0070.02713.64
5.1.30.0100.05013.64
5.1.20.0070.02713.64
5.1.10.0030.02313.64
5.1.00.0070.03713.64
5.0.50.0100.03013.64
5.0.40.0000.04013.64
5.0.30.0030.03313.64
5.0.20.0000.02313.64
5.0.10.0000.03713.64
5.0.00.0000.03313.64
4.4.90.0130.00713.64
4.4.80.0030.03713.64
4.4.70.0030.03313.64
4.4.60.0030.03013.64
4.4.50.0030.03313.64
4.4.40.0000.02713.64
4.4.30.0030.03713.64
4.4.20.0000.01713.64
4.4.10.0000.02013.64
4.4.00.0000.04013.64
4.3.110.0000.01713.64
4.3.100.0000.03713.64
4.3.90.0100.01013.64
4.3.80.0000.03313.64
4.3.70.0000.02713.64
4.3.60.0000.02313.64
4.3.50.0000.02013.64
4.3.40.0000.02713.64
4.3.30.0030.01313.64
4.3.20.0000.01713.64
4.3.10.0000.02313.64
4.3.00.0030.01713.64

preferences:
44.32 ms | 400 KiB | 5 Q