3v4l.org

run code in 300+ PHP versions simultaneously
<?php $needle = 'Hello'; $replacement = 'hello'; echo ctype_upper($needle[0]); (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)
8.3.60.0120.00318.30
8.3.50.0130.00222.03
8.3.40.0040.01118.85
8.3.30.0030.01019.25
8.3.20.0050.00220.30
8.3.10.0080.00023.48
8.3.00.0080.00020.80
8.2.180.0040.01418.16
8.2.170.0090.00622.96
8.2.160.0110.00420.52
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0070.01126.16
8.2.120.0040.00419.48
8.2.110.0050.00522.26
8.2.100.0110.00017.78
8.2.90.0000.00819.21
8.2.80.0000.00917.97
8.2.70.0030.00617.62
8.2.60.0030.00618.03
8.2.50.0030.00618.07
8.2.40.0040.00420.01
8.2.30.0000.00718.27
8.2.20.0000.00817.62
8.2.10.0040.00417.98
8.2.00.0040.00417.55
8.1.280.0110.01125.92
8.1.270.0050.00222.10
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00723.91
8.1.230.0060.00619.15
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0040.00417.10
8.1.190.0080.00017.23
8.1.180.0050.00318.10
8.1.170.0040.00418.57
8.1.160.0000.00722.00
8.1.150.0030.00618.52
8.1.140.0030.00517.25
8.1.130.0060.00317.69
8.1.120.0070.00017.38
8.1.110.0000.00817.37
8.1.100.0040.00417.38
8.1.90.0000.00817.40
8.1.80.0000.00717.38
8.1.70.0040.00417.34
8.1.60.0050.00817.49
8.1.50.0080.00017.42
8.1.40.0030.00917.45
8.1.30.0030.00517.57
8.1.20.0050.00217.57
8.1.10.0050.00217.57
8.1.00.0040.00417.61
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0050.00318.37
8.0.270.0050.00317.18
8.0.260.0040.00417.25
8.0.250.0000.00717.01
8.0.240.0070.00016.95
8.0.230.0040.00416.80
8.0.220.0030.00316.76
8.0.210.0030.00316.80
8.0.200.0060.00016.72
8.0.190.0060.00316.81
8.0.180.0070.00016.87
8.0.170.0030.00516.75
8.0.160.0040.00416.79
8.0.150.0000.00916.70
8.0.140.0050.00316.75
8.0.130.0050.00013.34
8.0.120.0000.00816.75
8.0.110.0040.00416.84
8.0.100.0030.00516.69
8.0.90.0040.00416.56
8.0.80.0070.01416.73
8.0.70.0000.00816.86
8.0.60.0000.00716.80
8.0.50.0040.00416.85
8.0.30.0060.01216.99
8.0.20.0080.01017.40
8.0.10.0000.00816.89
8.0.00.0090.01116.79
7.4.330.0050.00015.02
7.4.320.0030.00316.54
7.4.300.0030.00316.55
7.4.290.0070.00016.48
7.4.280.0040.00416.43
7.4.270.0000.00816.39
7.4.260.0000.00716.50
7.4.250.0000.00816.40
7.4.240.0030.00316.43
7.4.230.0030.00316.52
7.4.220.0150.00316.40
7.4.210.0150.00616.40
7.4.200.0030.00316.63
7.4.160.0070.01016.46
7.4.150.0120.01217.40
7.4.140.0050.01217.86
7.4.130.0050.01216.48
7.4.120.0070.01216.37
7.4.110.0100.00716.42
7.4.100.0070.01116.54
7.4.90.0100.00716.49
7.4.80.0190.00319.39
7.4.70.0080.00816.48
7.4.60.0040.01216.50
7.4.50.0040.00416.64
7.4.40.0120.00416.44
7.4.30.0100.00716.34
7.4.00.0090.00614.78
7.3.330.0000.00613.11
7.3.320.0000.00513.15
7.3.310.0000.00716.34
7.3.300.0070.00016.25
7.3.290.0130.00716.29
7.3.280.0130.00616.22
7.3.270.0090.01517.40
7.3.260.0090.00916.45
7.3.250.0080.01216.52
7.3.240.0090.00716.29
7.3.230.0090.00616.55
7.3.210.0090.00916.25
7.3.200.0120.00919.39
7.3.190.0000.01616.43
7.3.180.0070.00716.32
7.3.170.0030.01316.30
7.3.160.0070.00716.48
7.3.120.0000.01414.63
7.3.110.0140.00014.80
7.3.100.0080.00815.05
7.3.90.0030.01414.78
7.3.80.0100.00315.03
7.3.70.0030.01314.85
7.3.60.0060.00614.82
7.3.50.0060.01014.75
7.3.40.0100.00714.86
7.3.30.0100.00714.96
7.3.20.0000.01416.75
7.3.10.0070.01016.82
7.3.00.0080.00416.59
7.2.330.0140.00316.37
7.2.320.0030.01416.59
7.2.310.0060.01216.61
7.2.300.0100.00716.43
7.2.290.0080.00816.62
7.2.240.0100.00614.76
7.2.230.0070.00714.71
7.2.220.0080.00814.59
7.2.210.0120.00314.93
7.2.200.0030.01014.75
7.2.190.0070.00414.88
7.2.180.0070.00314.68
7.2.170.0030.00714.72
7.2.160.0070.00714.90
7.2.150.0060.00916.83
7.2.140.0100.00716.86
7.2.130.0000.01616.76
7.2.120.0040.00817.00
7.2.110.0070.01116.70
7.2.100.0040.01217.00
7.2.90.0090.00616.88
7.2.80.0060.00916.84
7.2.70.0050.00516.78
7.2.60.0040.01116.80
7.2.50.0100.00616.78
7.2.40.0090.00916.70
7.2.30.0030.00916.90
7.2.20.0100.00716.88
7.2.10.0040.00816.89
7.2.00.0040.01116.83
7.1.330.0040.00815.68
7.1.320.0060.00615.84
7.1.310.0000.01115.86
7.1.300.0100.00315.57
7.1.290.0100.00615.90
7.1.280.0090.00615.70
7.1.270.0040.01115.59
7.1.260.0040.01115.84
7.1.250.0060.01015.62
7.1.70.0040.00417.22
7.1.60.0120.00919.70
7.1.50.0040.01617.06
7.1.00.0030.07322.43
7.0.200.0090.00416.86
7.0.140.0030.07322.08
7.0.110.0130.04719.95
7.0.100.0070.04320.09
7.0.90.0030.04720.07
7.0.80.0130.07720.04
7.0.70.0130.03719.93
7.0.60.0130.04020.04
7.0.50.0070.04019.97
7.0.40.0070.03719.70
7.0.30.0030.04019.84
7.0.20.0000.04319.73
7.0.10.0000.04319.73
7.0.00.0070.03719.69
5.6.280.0000.07721.14
5.6.260.0000.05320.74
5.6.250.0030.04320.50
5.6.240.0130.03020.69
5.6.230.0070.06720.62
5.6.220.0000.09020.54
5.6.210.0070.06020.58
5.6.200.0030.05720.62
5.6.190.0000.06720.67
5.6.180.0030.05720.85
5.6.170.0070.04020.65
5.6.160.0030.04020.55
5.6.150.0000.05720.56
5.6.140.0070.05320.64
5.6.130.0000.04320.67
5.6.120.0030.04020.84
5.6.110.0000.05020.68
5.6.100.0030.05020.64
5.6.90.0070.03320.55
5.6.80.0070.05020.02
5.6.70.0070.03720.06
5.6.60.0070.03719.83
5.6.50.0030.04020.03
5.6.40.0070.03319.96
5.6.30.0030.04719.96
5.6.20.0100.08020.00
5.6.10.0030.06319.99
5.6.00.0100.08019.99
5.5.380.0100.03320.54
5.5.370.0000.04720.32
5.5.360.0000.04320.23
5.5.350.0070.04720.36
5.5.340.0070.03720.80
5.5.330.0000.04320.83
5.5.320.0000.04321.02
5.5.310.0000.04720.94
5.5.300.0030.04321.03
5.5.290.0030.04020.84
5.5.280.0030.04720.90
5.5.270.0100.03320.87
5.5.260.0100.03321.00
5.5.250.0000.07020.75
5.5.240.0070.04020.39
5.5.230.0100.03320.23
5.5.220.0070.03720.23
5.5.210.0070.03720.32
5.5.200.0030.03720.16
5.5.190.0000.07020.36
5.5.180.0030.06720.19
5.5.160.0130.06020.09
5.5.150.0100.08020.36
5.5.140.0130.07020.13
5.5.130.0100.07720.24
5.5.120.0100.07720.29
5.5.110.0130.04320.05
5.5.100.0100.06720.02
5.5.90.0070.07720.22
5.5.80.0130.07320.15
5.5.70.0100.06019.98
5.5.60.0130.06720.11
5.5.50.0130.07719.97
5.5.40.0070.07019.95
5.5.30.0100.06720.25
5.5.20.0100.07720.11
5.5.10.0200.05319.98
5.5.00.0100.04320.10
5.4.450.0130.03719.45
5.4.440.0070.04019.57
5.4.430.0070.03719.52
5.4.420.0070.04019.34
5.4.410.0030.04019.38
5.4.400.0000.04019.10
5.4.390.0030.03718.95
5.4.380.0000.04018.95
5.4.370.0100.03019.11
5.4.360.0070.05019.27
5.4.350.0000.04019.07
5.4.340.0030.07719.27
5.4.320.0070.07319.18
5.4.310.0070.07319.03
5.4.300.0070.04719.16
5.4.290.0170.06319.00
5.4.280.0070.04719.02
5.4.270.0130.04719.10
5.4.260.0000.06719.27
5.4.250.0100.04019.11
5.4.240.0070.07319.07
5.4.230.0100.06719.09
5.4.220.0070.07319.07
5.4.210.0030.05318.98
5.4.200.0030.07719.02
5.4.190.0030.05019.16
5.4.180.0100.07319.01
5.4.170.0070.08019.17
5.4.160.0100.06719.02
5.4.150.0030.07719.07
5.4.140.0070.05316.14
5.4.130.0100.07316.42
5.4.120.0200.03716.15
5.4.110.0030.07716.18
5.4.100.0070.05716.41
5.4.90.0100.07016.41
5.4.80.0070.07016.37
5.4.70.0070.07316.22
5.4.60.0070.07316.47
5.4.50.0200.06016.51
5.4.40.0100.06316.52
5.4.30.0100.07316.37
5.4.20.0070.07316.16
5.4.10.0070.07016.46
5.4.00.0030.06715.60
5.3.290.0030.04714.54
5.3.280.0000.05014.66
5.3.270.0070.07714.39
5.3.260.0070.07714.62
5.3.250.0170.03714.62
5.3.240.0130.06714.52
5.3.230.0030.07714.50
5.3.220.0100.06314.50
5.3.210.0030.07714.46
5.3.200.0130.06714.50
5.3.190.0100.04014.63
5.3.180.0100.06714.52
5.3.170.0100.07014.66
5.3.160.0030.06714.66
5.3.150.0100.07014.45
5.3.140.0070.07314.57
5.3.130.0070.08014.49
5.3.120.0070.07314.43
5.3.110.0030.07314.60
5.3.100.0070.04314.05
5.3.90.0100.04013.91
5.3.80.0030.08013.95
5.3.70.0070.06714.08
5.3.60.0030.08014.02
5.3.50.0030.07314.04
5.3.40.0070.06714.04
5.3.30.0100.06713.85
5.3.20.0070.05013.75
5.3.10.0070.06313.57
5.3.00.0070.07013.52
5.2.170.0100.06311.54
5.2.160.0000.05711.54
5.2.150.0070.05311.54
5.2.140.0030.06311.54
5.2.130.0100.02711.54
5.2.120.0070.06011.54
5.2.110.0070.06011.54
5.2.100.0000.03311.54
5.2.90.0030.03711.54
5.2.80.0070.06011.54
5.2.70.0030.06311.54
5.2.60.0030.06011.54
5.2.50.0170.05011.54
5.2.40.0070.06011.54
5.2.30.0030.06311.54
5.2.20.0030.06011.54
5.2.10.0070.06311.54
5.2.00.0070.06311.54
5.1.60.0070.02711.54
5.1.50.0030.05011.54
5.1.40.0030.05311.54
5.1.30.0070.05311.54
5.1.20.0030.04711.54
5.1.10.0000.04311.54
5.1.00.0030.03711.54
5.0.50.0000.04011.54
5.0.40.0000.03711.54
5.0.30.0000.05711.54
5.0.20.0000.04711.54
5.0.10.0000.04311.54
5.0.00.0000.04011.54
4.4.90.0000.03311.54
4.4.80.0030.03311.54
4.4.70.0000.03711.54
4.4.60.0030.03711.54
4.4.50.0070.03311.54
4.4.40.0030.05311.54
4.4.30.0100.03011.54
4.4.20.0030.03311.54
4.4.10.0000.03311.54
4.4.00.0070.04711.54
4.3.110.0000.03711.54
4.3.100.0070.03011.54
4.3.90.0070.02311.54
4.3.80.0000.03011.54
4.3.70.0000.03311.54
4.3.60.0130.02011.54
4.3.50.0030.03311.54
4.3.40.0000.04311.54
4.3.30.0000.04011.54
4.3.20.0000.03711.54
4.3.10.0030.03011.54
4.3.00.0000.03711.54

preferences:
51.37 ms | 401 KiB | 5 Q