3v4l.org

run code in 300+ PHP versions simultaneously
<?php $needle = 'Hello'; $replacement = 'hello'; (ctype_upper($needle[0])) ? ucfirst($replacement) : '' ; echo $needle[0]; echo $replacement;

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)
8.3.60.0130.00617.93
8.3.50.0200.00021.97
8.3.40.0040.01118.86
8.3.30.0140.00019.02
8.3.20.0040.00420.20
8.3.10.0050.00323.71
8.3.00.0050.00320.93
8.2.180.0100.00718.42
8.2.170.0070.00722.96
8.2.160.0100.00320.38
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0060.00926.16
8.2.120.0090.00019.48
8.2.110.0090.00022.01
8.2.100.0040.00817.84
8.2.90.0030.00519.29
8.2.80.0030.00617.97
8.2.70.0080.00017.63
8.2.60.0030.00717.55
8.2.50.0000.00918.07
8.2.40.0050.00520.07
8.2.30.0030.00518.22
8.2.20.0050.00317.74
8.2.10.0040.00418.06
8.2.00.0070.00017.70
8.1.280.0070.01425.92
8.1.270.0060.00321.90
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00923.79
8.1.230.0000.01119.11
8.1.220.0030.00517.74
8.1.210.0080.00018.77
8.1.200.0030.00617.23
8.1.190.0080.00017.13
8.1.180.0040.00418.10
8.1.170.0000.00818.65
8.1.160.0070.00022.00
8.1.150.0000.00718.56
8.1.140.0080.00017.39
8.1.130.0040.00417.79
8.1.120.0040.00417.37
8.1.110.0000.00717.36
8.1.100.0000.00817.34
8.1.90.0030.00317.40
8.1.80.0020.00517.43
8.1.70.0030.00317.41
8.1.60.0090.00317.15
8.1.50.0030.00517.36
8.1.40.0060.00317.43
8.1.30.0000.00917.49
8.1.20.0080.00017.43
8.1.10.0030.00517.62
8.1.00.0030.00617.45
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0030.00318.38
8.0.270.0030.00317.25
8.0.260.0060.00017.16
8.0.250.0030.00316.85
8.0.240.0060.00316.92
8.0.230.0000.00716.85
8.0.220.0080.00016.87
8.0.210.0030.00316.92
8.0.200.0060.00016.77
8.0.190.0060.00316.84
8.0.180.0000.00816.88
8.0.170.0040.00416.93
8.0.160.0000.00716.82
8.0.150.0000.00716.83
8.0.140.0030.00416.78
8.0.130.0000.00513.25
8.0.120.0040.00416.79
8.0.110.0040.00416.73
8.0.100.0000.00716.81
8.0.90.0050.00216.83
8.0.80.0100.00716.77
8.0.70.0030.00616.89
8.0.60.0040.00416.83
8.0.50.0050.00216.69
8.0.30.0110.00816.97
8.0.20.0110.00817.40
8.0.10.0080.00016.82
8.0.00.0070.01116.67
7.4.330.0000.00515.00
7.4.320.0060.00016.44
7.4.300.0060.00016.36
7.4.290.0000.00716.44
7.4.280.0000.00716.45
7.4.270.0080.00016.30
7.4.260.0040.00416.34
7.4.250.0000.00816.39
7.4.240.0030.00316.47
7.4.230.0030.00316.34
7.4.220.0090.00916.48
7.4.210.0030.01116.54
7.4.200.0060.00016.56
7.4.160.0070.01016.22
7.4.150.0140.00417.40
7.4.140.0130.00317.86
7.4.130.0050.01216.54
7.4.120.0090.00816.49
7.4.110.0140.00316.60
7.4.100.0100.00716.49
7.4.90.0130.00316.21
7.4.80.0110.01219.39
7.4.70.0100.00716.57
7.4.60.0100.00716.39
7.4.50.0000.00416.39
7.4.40.0060.00916.39
7.4.30.0150.00016.36
7.4.10.0040.01515.07
7.4.00.0090.00914.99
7.3.330.0030.00313.17
7.3.320.0000.00613.11
7.3.310.0070.00016.26
7.3.300.0030.00316.21
7.3.290.0070.00716.22
7.3.280.0110.00516.29
7.3.270.0060.01217.40
7.3.260.0130.00316.15
7.3.250.0050.01216.57
7.3.240.0100.01016.65
7.3.230.0100.00716.53
7.3.210.0110.00616.66
7.3.200.0130.00319.39
7.3.190.0170.00016.30
7.3.180.0000.01516.49
7.3.170.0090.00916.41
7.3.160.0090.00616.53
7.3.130.0140.00314.88
7.3.120.0080.01014.74
7.3.110.0070.01114.83
7.3.100.0050.01014.65
7.3.90.0040.01414.94
7.3.80.0080.00714.69
7.3.70.0060.00614.81
7.3.60.0090.00314.84
7.3.50.0060.01014.85
7.3.40.0020.01114.86
7.3.30.0020.00814.67
7.3.20.0070.01016.72
7.3.10.0080.00816.53
7.3.00.0060.00816.68
7.2.330.0080.00816.73
7.2.320.0070.01516.63
7.2.310.0030.01416.53
7.2.300.0100.00716.57
7.2.290.0130.01016.61
7.2.260.0040.01514.89
7.2.250.0040.01515.05
7.2.240.0080.00814.90
7.2.230.0100.00514.99
7.2.220.0070.01015.06
7.2.210.0060.01014.90
7.2.200.0050.01014.78
7.2.190.0050.00914.84
7.2.180.0070.00515.02
7.2.170.0040.01015.00
7.2.160.0030.00914.87
7.2.150.0100.00516.82
7.2.140.0070.00716.92
7.2.130.0080.00516.92
7.2.120.0050.00816.90
7.2.110.0050.01016.85
7.2.100.0090.00816.83
7.2.90.0050.01016.74
7.2.80.0110.00816.84
7.2.70.0070.00916.94
7.2.60.0090.01016.75
7.2.50.0060.01416.87
7.2.40.0100.00816.75
7.2.30.0050.01216.84
7.2.20.0100.00816.77
7.2.10.0050.00916.84
7.2.00.0080.00616.77
7.1.330.0050.01015.56
7.1.320.0050.00815.93
7.1.310.0060.00815.81
7.1.300.0030.01215.86
7.1.290.0060.00415.71
7.1.280.0050.00715.79
7.1.270.0040.01215.65
7.1.260.0030.00815.68
7.1.250.0070.00515.63
7.1.240.0100.00315.80
7.1.230.0030.01015.85
7.1.220.0060.00915.71
7.1.210.0110.00015.91
7.1.200.0000.00815.87
7.1.190.0030.01315.85
7.1.180.0060.00915.79
7.1.170.0110.00315.86
7.1.160.0090.00315.55
7.1.150.0060.00915.92
7.1.140.0110.00715.82
7.1.130.0040.00415.88
7.1.120.0030.01415.86
7.1.110.0040.00915.88
7.1.100.0040.00815.63
7.1.90.0070.00715.86
7.1.80.0090.00915.77
7.1.70.0040.00716.33
7.1.60.0120.00517.73
7.1.50.0050.00716.20
7.1.40.0000.01615.84
7.1.30.0040.00815.89
7.1.20.0000.01215.56
7.1.10.0070.00415.91
7.1.00.0050.04019.17
7.0.330.0070.01015.33
7.0.320.0060.00915.23
7.0.310.0070.00315.44
7.0.300.0070.01115.15
7.0.290.0000.01315.41
7.0.280.0120.00315.32
7.0.270.0030.00815.57
7.0.260.0030.01015.28
7.0.250.0040.01015.48
7.0.240.0000.01015.50
7.0.230.0060.00315.21
7.0.220.0100.00315.20
7.0.210.0080.00815.62
7.0.200.0040.00415.84
7.0.190.0090.00915.26
7.0.180.0070.00715.61
7.0.170.0030.01015.52
7.0.160.0000.01015.39
7.0.150.0040.00715.55
7.0.140.0040.03918.65
7.0.130.0030.01215.29
7.0.120.0060.00615.59
7.0.110.0070.01115.63
7.0.100.0120.03817.73
7.0.90.0210.04417.54
7.0.80.0080.04217.70
7.0.70.0070.04417.77
7.0.60.0050.02417.63
7.0.50.0080.03817.96
7.0.40.0050.03716.84
7.0.30.0030.04416.87
7.0.20.0070.04216.74
7.0.10.0080.03916.73
7.0.00.0010.04416.79
5.6.400.0030.00914.08
5.6.390.0070.01114.62
5.6.380.0120.00614.23
5.6.370.0070.00714.69
5.6.360.0060.01214.50
5.6.350.0030.01014.54
5.6.340.0030.01614.29
5.6.330.0070.00714.61
5.6.320.0100.00614.37
5.6.310.0070.00714.29
5.6.300.0000.01514.22
5.6.290.0070.00714.39
5.6.280.0070.03717.46
5.6.270.0060.00614.32
5.6.260.0030.01314.26
5.6.250.0050.03417.58
5.6.240.0070.04017.59
5.6.230.0090.02217.60
5.6.220.0080.03317.28
5.6.210.0120.03217.48
5.6.200.0080.04317.69
5.6.190.0050.03017.70
5.6.180.0070.04217.88
5.6.170.0080.04417.65
5.6.160.0130.03817.70
5.6.150.0100.04017.82
5.6.140.0070.04017.66
5.6.130.0050.02617.67
5.6.120.0070.03817.68
5.6.110.0090.02717.68
5.6.100.0050.04017.51
5.6.90.0080.04717.74
5.6.80.0050.04417.39
5.6.70.0070.04117.23
5.6.60.0050.03917.28
5.6.50.0030.03517.35
5.6.40.0060.03517.47
5.6.30.0080.04217.22
5.6.20.0030.03617.27
5.6.10.0070.04317.27
5.6.00.0030.02817.36
5.5.380.0040.02717.38
5.5.370.0070.04417.16
5.5.360.0070.04717.22
5.5.350.0040.03217.23
5.5.340.0090.03917.57
5.5.330.0090.04217.52
5.5.320.0050.02417.48
5.5.310.0020.03217.65
5.5.300.0080.03717.70
5.5.290.0070.03717.49
5.5.280.0070.02517.47
5.5.270.0100.02717.48
5.5.260.0070.03517.45
5.5.250.0050.04917.50
5.5.240.0080.03317.14
5.5.230.0050.03717.18
5.5.220.0020.02317.34
5.5.210.0050.04217.23
5.5.200.0060.03617.10
5.5.190.0050.04716.95
5.5.180.0140.03817.15
5.5.170.0060.00314.25
5.5.160.0070.04317.22
5.5.150.0100.02317.18
5.5.140.0040.04417.20
5.5.130.0080.04316.95
5.5.120.0030.02817.09
5.5.110.0050.04217.12
5.5.100.0080.04017.08
5.5.90.0070.04717.06
5.5.80.0110.03817.12
5.5.70.0130.04017.15
5.5.60.0070.03917.21
5.5.50.0040.03016.93
5.5.40.0050.04317.15
5.5.30.0100.04217.04
5.5.20.0070.02517.25
5.5.10.0080.04117.15
5.5.00.0080.03817.11
5.4.450.0020.02715.25
5.4.440.0030.04015.17
5.4.430.0080.02515.18
5.4.420.0070.03315.27
5.4.410.0050.04315.15
5.4.400.0070.04215.06
5.4.390.0030.02015.10
5.4.380.0030.04514.84
5.4.370.0060.03714.88
5.4.360.0090.03815.01
5.4.350.0030.03614.85
5.4.340.0060.04314.88
5.4.330.0060.00310.95
5.4.320.0080.03314.89
5.4.310.0070.04015.03
5.4.300.0090.03214.82
5.4.290.0030.03514.89
5.4.280.0050.03814.97
5.4.270.0050.02614.96
5.4.260.0030.03714.96
5.4.250.0090.04114.99
5.4.240.0030.04215.09
5.4.230.0050.02514.94
5.4.220.0100.03315.14
5.4.210.0080.03514.96
5.4.200.0050.04215.04
5.4.190.0030.04314.92
5.4.180.0090.03714.86
5.4.170.0050.03814.80
5.4.160.0030.03814.94
5.4.150.0000.03215.02
5.4.140.0080.03813.79
5.4.130.0050.03813.59
5.4.120.0030.02713.66
5.4.110.0050.04213.64
5.4.100.0030.04313.72
5.4.90.0100.03613.78
5.4.80.0060.02313.64
5.4.70.0100.02213.63
5.4.60.0030.04313.65
5.4.50.0060.04013.71
5.4.40.0070.03313.61
5.4.30.0080.03313.65
5.4.20.0050.03713.65
5.4.10.0090.03213.58
5.4.00.0080.03313.18
5.3.290.0080.03612.60
5.3.280.0070.04012.59
5.3.270.0050.04012.59
5.3.260.0020.04412.57
5.3.250.0060.04012.57
5.3.240.0030.03612.55
5.3.230.0030.02912.59
5.3.220.0050.03212.55
5.3.210.0050.02212.52
5.3.200.0030.03912.51
5.3.190.0020.02712.59
5.3.180.0050.02512.55
5.3.170.0080.03712.57
5.3.160.0110.03012.57
5.3.150.0050.03012.59
5.3.140.0000.03212.52
5.3.130.0070.02312.54
5.3.120.0070.02712.52
5.3.110.0050.04012.52
5.3.100.0030.02912.32
5.3.90.0070.02812.32
5.3.80.0110.03512.30
5.3.70.0030.03812.33
5.3.60.0080.03812.27
5.3.50.0050.04012.27
5.3.40.0070.03112.29
5.3.30.0040.02912.26
5.3.20.0050.03312.15
5.3.10.0080.03012.03
5.3.00.0080.03712.12
5.2.170.0030.06312.05
5.2.160.0030.04012.05
5.2.150.0000.06012.05
5.2.140.0000.07012.05
5.2.130.0030.05712.05
5.2.120.0030.05012.05
5.2.110.0100.06012.05
5.2.100.0170.05312.05
5.2.90.0130.05012.05
5.2.80.0100.05012.05
5.2.70.0070.06012.05
5.2.60.0100.06012.05
5.2.50.0070.06012.05
5.2.40.0130.05012.05
5.2.30.0070.06012.05
5.2.20.0070.05312.05
5.2.10.0030.04312.05
5.2.00.0000.04312.05
5.1.60.0030.03012.05
5.1.50.0130.04712.05
5.1.40.0070.02712.05
5.1.30.0000.05712.05
5.1.20.0030.03712.05
5.1.10.0000.04012.05
5.1.00.0030.03312.05
5.0.50.0030.02712.05
5.0.40.0070.03712.05
5.0.30.0030.06312.05
5.0.20.0000.02312.05
5.0.10.0100.02012.05
5.0.00.0030.05012.05
4.4.90.0000.03012.05
4.4.80.0000.03312.05
4.4.70.0070.01312.05
4.4.60.0030.03712.05
4.4.50.0030.03012.05
4.4.40.0000.05312.05
4.4.30.0030.03012.05
4.4.20.0030.01312.05
4.4.10.0000.01712.05
4.4.00.0000.03012.05
4.3.110.0030.03312.05
4.3.100.0000.03012.05
4.3.90.0000.04312.05
4.3.80.0000.03312.05
4.3.70.0000.01712.05
4.3.60.0070.01312.05
4.3.50.0000.01712.05
4.3.40.0000.03012.05
4.3.30.0030.02712.05
4.3.20.0030.02312.05
4.3.10.0000.03312.05
4.3.00.0000.02712.05

preferences:
75.26 ms | 401 KiB | 5 Q