3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo mb_strtoupper('zażółć gęślą jaźń', 'UTF-8');

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)
8.3.40.0120.00918.64
8.3.30.0120.00318.88
8.3.20.0040.00420.21
8.3.10.0030.00620.53
8.3.00.0050.00319.26
8.2.170.0140.00322.96
8.2.160.0070.00720.55
8.2.150.0070.00724.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0050.00222.30
8.2.110.0000.01022.20
8.2.100.0080.00417.72
8.2.90.0060.00317.63
8.2.80.0000.00817.97
8.2.70.0060.00617.80
8.2.60.0000.00717.80
8.2.50.0000.00918.10
8.2.40.0030.00522.34
8.2.30.0040.00319.41
8.2.20.0040.00417.67
8.2.10.0050.00317.79
8.2.00.0000.00717.45
8.1.270.0030.00524.01
8.1.260.0020.00526.35
8.1.250.0100.00328.09
8.1.240.0060.00323.90
8.1.230.0070.00319.01
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.10
8.1.190.0080.00017.22
8.1.180.0040.00418.10
8.1.170.0000.00718.61
8.1.160.0000.00822.03
8.1.150.0000.00718.79
8.1.140.0070.00017.52
8.1.130.0000.00717.81
8.1.120.0000.00717.27
8.1.110.0000.00717.39
8.1.100.0000.00717.37
8.1.90.0000.00717.39
8.1.80.0040.00417.27
8.1.70.0080.00017.40
8.1.60.0000.00917.48
8.1.50.0030.00517.34
8.1.40.0040.00417.26
8.1.30.0080.00017.58
8.1.20.0040.00417.47
8.1.10.0040.00417.48
8.1.00.0030.00517.43
8.0.300.0040.00419.65
8.0.290.0080.00016.75
8.0.280.0000.00718.38
8.0.270.0030.00317.22
8.0.260.0030.00317.15
8.0.250.0000.00616.92
8.0.240.0000.00616.86
8.0.230.0040.00416.83
8.0.220.0070.00016.78
8.0.210.0070.00016.84
8.0.200.0000.00616.91
8.0.190.0040.00416.86
8.0.180.0000.00716.81
8.0.170.0080.00016.74
8.0.160.0030.00316.88
8.0.150.0040.00416.77
8.0.140.0040.00416.83
8.0.130.0000.00513.23
8.0.120.0080.00016.78
8.0.110.0040.00416.79
8.0.100.0040.00416.90
8.0.90.0000.00716.65
8.0.80.0060.00916.77
8.0.70.0070.00016.88
8.0.60.0000.00716.84
8.0.50.0070.00016.84
8.0.30.0110.01016.88
8.0.20.0080.01217.40
8.0.10.0040.00416.75
8.0.00.0110.00616.57
7.4.330.0000.00515.00
7.4.320.0030.00316.53
7.4.300.0060.00016.56
7.4.290.0050.00316.38
7.4.280.0040.00416.36
7.4.270.0000.00716.61
7.4.260.0000.00716.41
7.4.250.0070.00016.55
7.4.240.0020.00516.51
7.4.230.0070.00016.41
7.4.220.0070.01016.44
7.4.210.0090.00616.48
7.4.200.0000.00716.38
7.4.160.0070.01816.16
7.4.150.0120.00617.40
7.4.140.0090.00917.86
7.4.130.0090.00716.43
7.4.120.0080.00816.48
7.4.110.0160.00716.55
7.4.100.0030.01316.18
7.4.90.0100.00716.40
7.4.80.0110.00816.57
7.4.70.0030.01516.56
7.4.60.0080.00816.33
7.4.50.0050.00316.41
7.4.40.0100.00716.41
7.4.30.0040.01116.34
7.4.00.0070.00614.92
7.3.330.0030.00313.18
7.3.320.0020.00213.09
7.3.310.0000.00716.20
7.3.300.0060.00016.11
7.3.290.0060.01216.24
7.3.280.0100.00516.26
7.3.270.0150.00317.40
7.3.260.0040.01416.51
7.3.250.0120.00616.12
7.3.240.0170.00316.44
7.3.230.0050.01016.39
7.3.210.0060.00916.28
7.3.200.0150.00319.39
7.3.190.0120.00616.46
7.3.180.0140.00516.34
7.3.170.0040.01316.27
7.3.160.0060.01016.18
7.3.120.0060.01314.77
7.3.110.0060.01214.76
7.3.100.0070.01114.97
7.3.90.0090.00614.77
7.3.80.0030.00614.57
7.3.70.0040.00814.74
7.3.60.0040.00914.48
7.3.50.0090.00614.75
7.3.40.0040.00814.55
7.3.30.0030.00914.78
7.3.20.0040.01116.79
7.3.10.0100.00616.36
7.3.00.0070.00716.67
7.2.330.0150.00316.52
7.2.320.0080.00816.67
7.2.310.0130.00316.56
7.2.300.0060.01116.56
7.2.290.0160.00016.66
7.2.250.0060.01314.70
7.2.240.0060.01314.59
7.2.230.0060.00915.16
7.2.220.0000.01815.03
7.2.210.0030.01614.78
7.2.200.0080.00414.88
7.2.190.0080.00714.75
7.2.180.0100.00315.08
7.2.170.0060.00614.75
7.2.160.0070.00714.87
7.2.150.0070.00717.04
7.2.140.0110.00616.88
7.2.130.0000.01616.81
7.2.120.0030.01316.65
7.2.110.0000.01016.65
7.2.100.0030.00816.68
7.2.90.0110.00316.85
7.2.80.0000.01516.64
7.2.70.0100.01016.92
7.2.60.0030.01216.57
7.2.50.0030.00616.87
7.2.40.0090.00616.69
7.2.30.0070.00716.96
7.2.20.0060.00616.94
7.2.10.0000.01017.08
7.2.00.0040.00818.04
7.1.330.0060.00915.86
7.1.320.0000.01415.50
7.1.310.0060.01215.70
7.1.300.0030.01015.45
7.1.290.0080.00415.62
7.1.280.0060.00315.38
7.1.270.0000.01615.71
7.1.260.0060.00915.75
7.1.250.0060.00615.47
7.1.240.0000.01415.80
7.1.230.0030.00515.81
7.1.220.0070.00715.59
7.1.210.0070.00415.75
7.1.200.0090.00615.80
7.1.190.0080.00815.55
7.1.180.0120.00615.67
7.1.170.0040.00715.48
7.1.160.0090.00015.64
7.1.150.0100.00715.81
7.1.140.0000.01215.70
7.1.130.0000.01115.73
7.1.120.0070.00315.33
7.1.110.0040.00915.43
7.1.100.0110.00516.89
7.1.90.0080.00715.77
7.1.80.0030.00615.72
7.1.70.0030.00716.35
7.1.60.0070.00616.54
7.1.50.0080.00516.17
7.1.40.0070.00316.10
7.1.30.0000.01015.96
7.1.20.0090.00516.03
7.1.10.0050.01016.17
7.1.00.0030.00616.04
7.0.330.0100.00015.52
7.0.320.0040.01115.14
7.0.310.0000.01615.20
7.0.300.0120.00015.13
7.0.290.0070.00315.34
7.0.280.0060.01014.98
7.0.270.0030.01015.33
7.0.260.0060.00615.45
7.0.250.0100.00015.16
7.0.240.0100.00315.33
7.0.230.0030.00615.18
7.0.220.0000.01215.35
7.0.210.0030.01015.02
7.0.200.0080.00516.14
7.0.190.0050.00515.90
7.0.180.0020.01015.88
7.0.170.0030.00615.74
7.0.160.0010.00815.79
7.0.150.0050.00715.80
7.0.140.0040.00915.80
7.0.130.0050.00615.88
7.0.120.0320.01015.16
7.0.110.0280.00915.09
7.0.100.0280.00815.13
7.0.90.0210.00515.30
7.0.80.5840.00615.24
7.0.70.0270.00515.31
7.0.60.0280.00615.24
7.0.50.0240.00815.29
7.0.40.0050.00814.34
7.0.30.0040.00514.26
7.0.20.0060.00514.21
7.0.10.0050.00514.30
7.0.00.0030.00814.14
5.6.400.0060.00914.30
5.6.390.0030.01014.38
5.6.380.0000.01014.16
5.6.370.0130.00314.29
5.6.360.0070.00714.34
5.6.350.0140.00014.32
5.6.340.0090.00614.05
5.6.330.0100.00314.43
5.6.320.0040.00414.27
5.6.310.0000.01414.00
5.6.300.0040.04017.45
5.6.290.0050.03517.40
5.6.280.0100.02717.67
5.6.270.0130.02417.62
5.6.260.0050.02817.61
5.6.250.0070.02317.59
5.6.240.0040.02617.59
5.6.230.0120.02117.54
5.6.220.0030.02717.48
5.6.210.0080.02217.54
5.6.200.0020.02817.52
5.6.190.0080.02917.75
5.6.180.0110.02117.67
5.6.170.0030.03017.73
5.6.160.0090.02917.68
5.6.150.0080.02817.50
5.6.140.0070.02617.54
5.6.130.0050.02517.58
5.6.120.0110.04017.54
5.6.110.0100.02417.53
5.6.100.0050.02517.36
5.6.90.0050.02717.42
5.6.80.0050.02417.30
5.6.70.0080.02517.05
5.6.60.0090.02317.17
5.6.50.0050.02917.11
5.6.40.0070.02517.26
5.6.30.0090.02317.04
5.6.20.0070.02117.12
5.6.10.0090.03916.99
5.6.00.0000.02817.18
5.5.380.0100.02415.92
5.5.370.0030.02815.84
5.5.360.0030.02715.90
5.5.350.0040.03415.89
5.5.340.0070.03815.94
5.5.330.0090.03916.12
5.5.320.0040.02316.13
5.5.310.0100.02716.21
5.5.300.0100.02816.03
5.5.290.0110.03416.16
5.5.280.0190.02216.05
5.5.270.0030.03416.09
5.5.260.0060.02116.12
5.5.250.0050.02615.90
5.5.240.0050.02515.71
5.5.230.0070.04615.67
5.5.220.0070.02115.74
5.5.210.0080.02315.86
5.5.200.0060.01915.73
5.5.190.0060.03515.72
5.5.180.0040.02615.65
5.5.170.0000.01214.13
5.5.160.0050.02615.76
5.5.150.0050.02315.59
5.5.140.0110.01615.57
5.5.130.0050.03015.82
5.5.120.0050.02515.85
5.5.110.0070.02715.78
5.5.100.0070.02115.68
5.5.90.0050.03315.72
5.5.80.0070.02315.42
5.5.70.0050.02615.47
5.5.60.0050.02515.57
5.5.50.0070.02115.55
5.5.40.0020.02715.45
5.5.30.0070.02215.51
5.5.20.0070.02015.66
5.5.10.0030.02615.67
5.5.00.0030.02115.81
5.4.450.0050.02816.16
5.4.440.0050.02616.18
5.4.430.0050.02516.21
5.4.420.0050.02916.25
5.4.410.0040.02616.11
5.4.400.0100.02116.16
5.4.390.0030.02816.08
5.4.380.0050.02316.07
5.4.370.0050.02416.13
5.4.360.0080.01815.99
5.4.350.0060.03816.17
5.4.340.0080.03216.11
5.4.330.0030.00313.16
5.4.320.0030.02516.16
5.4.310.0200.01916.07
5.4.300.0030.02516.10
5.4.290.0050.02316.10
5.4.280.0100.02116.11
5.4.270.0060.02116.07
5.4.260.0050.02416.04
5.4.250.0080.01916.16
5.4.240.0050.02216.00
5.4.230.0060.02516.15
5.4.220.0090.02116.12
5.4.210.0030.02816.06
5.4.200.0060.02616.08
5.4.190.0050.02216.03
5.4.180.0180.02116.16
5.4.170.0050.03216.11
5.4.160.0000.02416.14
5.4.150.0000.03416.11
5.4.140.0050.03114.87
5.4.130.0040.02314.80
5.4.120.0030.02114.88
5.4.110.0080.01914.87
5.4.100.0080.01814.83
5.4.90.0050.02814.88
5.4.80.0080.02614.86
5.4.70.0020.02514.90
5.4.60.0020.03214.88
5.4.50.0200.01614.85
5.4.40.0060.02014.78
5.4.30.0080.01814.77
5.4.20.0080.02614.88
5.4.10.0030.03314.87
5.4.00.0070.02314.48
5.3.290.0070.03615.11
5.3.280.0100.03515.11
5.3.270.0000.04615.11
5.3.260.0090.03315.11
5.3.250.0100.03315.11
5.3.240.0210.03515.11
5.3.230.0100.03915.11
5.3.220.0040.03915.11
5.3.210.0000.05315.11
5.3.200.0140.02815.11
5.3.190.0070.07915.11
5.3.180.0330.05615.11
5.3.170.0040.04215.11
5.3.160.0030.04215.11
5.3.150.0030.04415.11
5.3.140.0070.04615.11
5.3.130.0030.04115.11
5.3.120.0040.03915.11
5.3.110.0070.05615.11
5.3.100.0000.04315.11
5.3.90.0000.04915.11
5.3.80.0270.03415.11
5.3.70.0170.03015.11
5.3.60.0070.04415.11
5.3.50.0070.03915.11
5.3.40.0070.04515.11
5.3.30.0000.04715.11
5.3.20.0100.03615.11
5.3.10.0090.03815.11
5.3.00.0030.03715.11
5.2.170.0040.03215.11
5.2.160.0090.02415.11
5.2.150.0060.02815.11
5.2.140.0060.03515.11
5.2.130.0070.03215.11
5.2.120.0070.03715.11
5.2.110.0000.03315.11
5.2.100.0030.02915.11
5.2.90.0000.03415.11
5.2.80.0090.02515.11
5.2.70.0090.02715.11
5.2.60.0030.03415.11
5.2.50.0070.02515.11
5.2.40.0060.02815.11
5.2.30.0030.03315.11
5.2.20.0000.03615.11
5.2.10.0070.02715.11
5.2.00.0000.03215.11
5.1.60.0000.03115.11
5.1.50.0030.02715.11
5.1.40.0030.02715.11
5.1.30.0070.03315.11
5.1.20.0000.03515.11
5.1.10.0000.03415.11
5.1.00.0000.03115.11
5.0.50.0060.02115.11
5.0.40.0060.01915.11
5.0.30.0030.03015.11
5.0.20.0040.02515.11
5.0.10.0140.02115.11
5.0.00.0100.02915.11
4.4.90.0030.01715.11
4.4.80.0030.01715.11
4.4.70.0030.01515.11
4.4.60.0000.01915.11
4.4.50.0060.01315.11
4.4.40.0000.02715.11
4.4.30.0000.02215.11
4.4.20.0030.01715.11
4.4.10.0000.01815.11
4.4.00.0030.03315.11
4.3.110.0030.01615.11
4.3.100.0030.01715.11
4.3.90.0030.01915.11
4.3.80.0090.01815.11
4.3.70.0030.01415.11
4.3.60.0000.01715.11
4.3.50.0000.02215.11
4.3.40.0000.02915.11
4.3.30.0080.01415.11
4.3.20.0040.01915.11
4.3.10.0030.01515.11
4.3.00.0030.02015.11

preferences:
43.5 ms | 400 KiB | 5 Q