3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(strtolower('Déjàvü') === strtolower('déJàVü')); // true var_dump(strtolower('Déjàvü') === strtolower('DÉJÀVÜ')); // false var_dump(strtolower('déJàVü') === strtolower('DÉJÀVÜ')); // false var_dump(strcasecmp('Déjàvü', 'déJàVü')); // true var_dump(strcasecmp('Déjàvü', 'DÉJÀVÜ'));// false var_dump(strcasecmp('déJàVü', 'DÉJÀVÜ')); // false

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)
8.5.10.0100.00816.48
8.5.00.0120.00919.71
8.4.160.0160.00923.85
8.4.150.0020.00014.05
8.4.140.0140.00717.47
8.4.130.0050.00417.77
8.4.120.0050.00423.88
8.4.110.0110.00922.28
8.4.100.0050.00518.63
8.4.90.0130.00718.68
8.4.80.0060.00220.36
8.4.70.0150.00517.94
8.4.60.0110.00818.61
8.4.50.0060.01018.68
8.4.40.0110.00717.49
8.4.30.0090.00619.06
8.4.20.0100.01019.75
8.4.10.0040.00419.31
8.3.280.0120.00818.14
8.3.270.0110.00816.42
8.3.260.0050.00316.30
8.3.250.0130.00518.87
8.3.240.0130.00517.04
8.3.230.0110.00816.63
8.3.220.0140.00518.62
8.3.210.0090.01016.73
8.3.200.0060.00316.46
8.3.190.0080.01117.13
8.3.180.0080.01017.05
8.3.170.0030.01418.98
8.3.160.0090.00917.10
8.3.150.0100.00716.98
8.3.140.0080.00818.49
8.3.130.0030.00618.27
8.3.120.0060.00318.99
8.3.110.0080.00020.94
8.3.100.0090.00024.06
8.3.90.0000.00826.77
8.3.80.0000.00917.97
8.3.70.0120.00318.34
8.3.60.0120.00318.38
8.3.50.0100.01016.35
8.3.40.0220.01019.37
8.3.30.0220.00718.59
8.3.20.0130.00721.62
8.3.10.0100.01021.96
8.3.00.0120.01218.73
8.2.290.0140.00420.38
8.2.280.0090.00920.64
8.2.270.0120.00616.97
8.2.260.0130.00318.27
8.2.250.0070.00018.21
8.2.240.0040.00417.01
8.2.230.0080.00022.58
8.2.220.0000.00837.54
8.2.210.0080.00026.77
8.2.200.0030.00618.29
8.2.190.0120.00416.58
8.2.180.0130.00616.63
8.2.170.0270.00718.81
8.2.160.0240.00919.93
8.2.150.0160.01320.68
8.2.140.0130.00720.35
8.2.130.0120.00620.40
8.2.120.0080.01119.22
8.2.110.0060.01019.17
8.2.100.0140.00319.28
8.2.90.0220.00618.66
8.2.80.0140.00719.27
8.2.70.0170.00318.52
8.2.60.0230.01020.37
8.2.50.0190.00618.90
8.2.40.0250.00418.59
8.2.30.0220.00318.56
8.2.20.0130.01318.46
8.2.10.0160.01020.23
8.2.00.0210.00418.45
8.1.330.0130.00521.97
8.1.320.0090.01116.07
8.1.310.0090.00918.28
8.1.300.0090.00017.81
8.1.290.0060.00330.84
8.1.280.0120.00325.92
8.1.270.0030.01622.10
8.1.260.0140.00422.08
8.1.250.0100.00721.97
8.1.240.0210.00618.49
8.1.230.0270.00418.41
8.1.220.0200.00318.66
8.1.210.0280.00318.26
8.1.200.0120.01218.67
8.1.190.0150.00918.36
8.1.180.0220.00618.17
8.1.170.0240.00320.38
8.1.160.0270.00318.35
8.1.150.0170.00718.37
8.1.140.0180.00618.41
8.1.130.0230.00318.44
8.1.120.0200.00718.24
8.1.110.0270.00020.18
8.1.100.0100.01019.69
8.1.90.0170.00918.34
8.1.80.0120.01219.53
8.1.70.0140.00720.58
8.1.60.0220.00620.43
8.1.50.0230.00320.15
8.1.40.0190.00618.43
8.1.30.0190.00420.48
8.1.20.0180.01219.89
8.1.10.0240.00318.46
8.1.00.0190.00618.27

preferences:
35.28 ms | 403 KiB | 5 Q