3v4l.org

run code in 300+ PHP versions simultaneously
<?php $needle = 'Hello'; $replacement = 'hello'; (ctype_upper($needle[1])) ? ucfirst($replacement) : '' ; 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)
8.3.60.0090.00618.40
8.3.50.0190.00521.91
8.3.40.0040.01118.59
8.3.30.0100.00319.09
8.3.20.0070.00020.03
8.3.10.0000.00723.66
8.3.00.0040.00420.77
8.2.180.0070.01416.63
8.2.170.0120.00322.96
8.2.160.0130.00020.28
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0100.01026.16
8.2.120.0050.00319.36
8.2.110.0060.00322.27
8.2.100.0000.01117.91
8.2.90.0040.00419.16
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0030.01017.89
8.2.50.0090.00018.07
8.2.40.0000.00820.01
8.2.30.0000.00718.36
8.2.20.0080.00017.78
8.2.10.0070.00018.13
8.2.00.0040.00417.73
8.1.280.0000.01525.92
8.1.270.0080.00022.23
8.1.260.0050.00226.35
8.1.250.0000.00828.09
8.1.240.0040.00423.90
8.1.230.0000.01119.15
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0080.00017.23
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0000.00818.71
8.1.160.0040.00421.86
8.1.150.0070.00018.52
8.1.140.0020.00517.38
8.1.130.0030.00317.80
8.1.120.0050.00317.28
8.1.110.0040.00417.29
8.1.100.0000.00717.29
8.1.90.0070.00017.43
8.1.80.0040.00417.27
8.1.70.0030.00317.31
8.1.60.0080.00417.50
8.1.50.0040.00417.51
8.1.40.0040.00817.35
8.1.30.0080.00017.57
8.1.20.0000.00817.60
8.1.10.0040.00417.60
8.1.00.0040.00417.44
8.0.300.0080.00018.77
8.0.290.0000.00716.63
8.0.280.0000.00718.48
8.0.270.0070.00017.15
8.0.260.0000.00717.12
8.0.250.0040.00416.92
8.0.240.0030.00316.95
8.0.230.0030.00316.86
8.0.220.0070.00016.80
8.0.210.0060.00016.67
8.0.200.0040.00416.88
8.0.190.0040.00416.97
8.0.180.0040.00416.86
8.0.170.0050.00316.75
8.0.160.0070.00016.82
8.0.150.0050.00216.76
8.0.140.0050.00216.82
8.0.130.0000.00513.22
8.0.120.0080.00016.79
8.0.110.0040.00416.78
8.0.100.0040.00416.93
8.0.90.0040.00416.71
8.0.80.0120.00616.87
8.0.70.0000.00716.81
8.0.60.0000.00716.65
8.0.50.0070.00016.88
8.0.30.0140.00717.09
8.0.20.0110.00817.40
8.0.10.0040.00417.00
8.0.00.0100.00716.77
7.4.330.0050.00015.02
7.4.320.0030.00316.53
7.4.300.0030.00316.48
7.4.290.0000.00816.48
7.4.280.0030.00716.57
7.4.270.0000.00716.39
7.4.260.0000.00716.38
7.4.250.0050.00316.50
7.4.240.0000.00716.50
7.4.230.0070.00016.42
7.4.220.0120.00616.49
7.4.210.0140.00416.40
7.4.200.0000.00716.34
7.4.160.0070.01016.61
7.4.150.0120.00917.40
7.4.140.0070.01017.86
7.4.130.0050.01216.51
7.4.120.0050.01316.47
7.4.110.0150.00616.46
7.4.100.0070.01016.34
7.4.90.0100.00716.48
7.4.80.0120.00819.39
7.4.70.0090.01216.43
7.4.60.0100.00716.43
7.4.50.0000.00916.39
7.4.40.0110.00416.49
7.4.30.0060.00916.47
7.4.00.0070.01015.00
7.3.330.0060.00012.99
7.3.320.0000.00513.10
7.3.310.0040.00316.35
7.3.300.0030.00316.20
7.3.290.0100.00316.31
7.3.280.0120.00716.23
7.3.270.0090.00917.40
7.3.260.0030.01316.18
7.3.250.0100.00816.36
7.3.240.0100.00716.14
7.3.230.0070.01016.39
7.3.210.0160.00016.35
7.3.200.0120.00919.39
7.3.190.0070.01016.29
7.3.180.0090.00616.42
7.3.170.0130.00316.29
7.3.160.0060.01016.52
7.3.120.0000.01514.44
7.2.330.0060.01116.64
7.2.320.0030.01316.72
7.2.310.0100.00716.48
7.2.300.0100.00616.37
7.2.290.0060.01016.52
7.1.70.0030.00717.18
7.1.60.0040.01319.70
7.1.50.0030.01716.91
7.1.00.0100.06722.51
7.0.200.0070.00016.87
7.0.140.0070.07022.21
7.0.60.0100.08021.81
7.0.50.0170.06317.80
7.0.40.0030.05720.24
7.0.30.0300.07720.16
7.0.20.0370.07320.33
7.0.10.0130.04320.20
7.0.00.0070.06320.16
5.6.280.0100.06721.04
5.6.210.0100.04020.72
5.6.200.0000.08018.09
5.6.190.0230.04320.45
5.6.180.0230.05720.43
5.6.170.0230.08020.54
5.6.160.0030.08720.38
5.6.150.0030.04018.22
5.6.140.0000.04018.14
5.6.130.0130.08018.15
5.6.120.0030.04721.14
5.6.110.0100.07021.04
5.6.100.0100.08721.12
5.6.90.0000.04721.02
5.6.80.0070.07320.37
5.5.350.0330.07020.49
5.5.340.0100.07017.95
5.5.330.0000.04320.07
5.5.320.0370.05320.19
5.5.310.0330.06020.41
5.5.300.0070.07317.91
5.5.290.0070.04318.02
5.5.280.0000.04320.73
5.5.270.0170.07320.76
5.5.260.0130.08020.74
5.5.250.0100.06720.61
5.5.240.0100.07020.27
5.4.450.4100.04319.59
5.4.440.3730.04019.21
5.4.430.5200.04019.48
5.4.420.4430.04719.20
5.4.410.4500.04319.23
5.4.400.3600.03319.27
5.4.390.3900.04319.20
5.4.380.3400.04019.00
5.4.370.3670.04319.18
5.4.360.4070.05018.97
5.4.350.4600.03019.14
5.4.340.3870.04319.06
5.4.320.0030.04718.90
5.4.310.3900.04019.14
5.4.300.3800.03719.08
5.4.290.3800.04019.26
5.4.280.4200.04318.92
5.4.270.3770.05019.16
5.4.260.3830.03719.11
5.4.250.3830.04019.05
5.4.240.3470.03718.86
5.4.230.4070.03319.15
5.4.220.0070.06318.86
5.4.210.0030.08019.06
5.4.200.4500.03719.20
5.4.190.3630.03019.12
5.4.180.4500.03718.95
5.4.170.4500.03718.96
5.4.160.4100.04019.14
5.4.150.4130.03319.12
5.4.140.3870.03016.35
5.4.130.4270.03016.43
5.4.120.4200.03316.39
5.4.110.4200.03316.39
5.4.100.3700.03716.57
5.4.90.4470.03716.35
5.4.80.4500.03316.31
5.4.70.4730.02316.35
5.4.60.4570.03716.38
5.4.50.4570.02716.46
5.4.40.4530.04016.38
5.4.30.3830.03316.36
5.4.20.3800.03716.39
5.4.10.3870.03016.36
5.4.00.3130.03715.76
5.3.290.0030.04314.61
5.3.280.4170.03714.41
5.3.270.4530.04014.53
5.3.260.4430.03714.53
5.3.250.3500.03314.61
5.3.240.3770.04014.54
5.3.230.4600.03014.55
5.3.220.4470.04014.57
5.3.210.4530.03314.48
5.3.200.4530.03314.49
5.3.190.3830.04014.46
5.3.180.3430.04014.51
5.3.170.4430.03314.50
5.3.160.4530.03714.48
5.3.150.4200.04314.34
5.3.140.4500.03714.64
5.3.130.3730.04014.44
5.3.120.3670.04714.33
5.3.110.3570.03014.51
5.3.100.3870.03714.01
5.3.90.4070.04014.11
5.3.80.4530.03013.84
5.3.70.4500.03313.83
5.3.60.4530.03313.93
5.3.50.4570.04013.91
5.3.40.4570.04013.88
5.3.30.3770.03713.74
5.3.20.3670.03713.68
5.3.10.4470.03313.67
5.3.00.3970.04313.60
5.2.170.3530.02711.30
5.2.160.3730.02711.05
5.2.150.3270.03311.15
5.2.140.3130.03011.07
5.2.130.3330.03010.95
5.2.120.3430.03011.04
5.2.110.3270.03011.08
5.2.100.2930.02310.97
5.2.90.3430.02710.95
5.2.80.3100.02711.07
5.2.70.3230.02311.25
5.2.60.2930.02710.93
5.2.50.3270.03010.98
5.2.40.3170.02010.97
5.2.30.2630.03010.91
5.2.20.3000.02710.95
5.2.10.2770.03010.85
5.2.00.2770.03010.70
5.1.60.2600.0279.94
5.1.50.1970.0279.95
5.1.40.2330.02310.12
5.1.30.2430.01710.34
5.1.20.2400.02010.35
5.1.10.2330.0279.93
5.1.00.2270.02710.08
5.0.50.0870.0208.54
5.0.40.1370.0238.38
5.0.30.1230.0238.23
5.0.20.1130.0208.23
5.0.10.1230.0138.32
5.0.00.1330.0338.20
4.4.90.1530.0175.84
4.4.80.1600.0175.84
4.4.70.1730.0175.84
4.4.60.1270.0175.84
4.4.50.1530.0135.84
4.4.40.1130.0275.84
4.4.30.1170.0175.89
4.4.20.1170.0135.89
4.4.10.1170.0175.89
4.4.00.1030.0275.84
4.3.110.1200.0135.84
4.3.100.1130.0175.84
4.3.90.1130.0175.84
4.3.80.1170.0235.84
4.3.70.1300.0205.84
4.3.60.1170.0135.84
4.3.50.1300.0205.84
4.3.40.1200.0235.84
4.3.30.0600.0135.84
4.3.20.0570.0175.84
4.3.10.0570.0175.84
4.3.00.0600.0135.84

preferences:
43.25 ms | 401 KiB | 5 Q