Use the following table as a desk reference for the various fopen modes and how they impact read, write and seek.
| Mode | Read | Write | Seek |
|---|---|---|---|
| r | ✔️ | ❌ | ✔️ |
| r+ | ✔️ | ✔️ | ✔️ |
| w | ❌ | ✔️ | ✔️ |
| w+ | ✔️ | ✔️ | ✔️ |
| a | ❌ | ✔️ | ❌ |
| a+ | ✔️ | ✔️ | ✔️ |
| x | ❌ | ✔️ | ✔️ |
| x+ | ✔️ | ✔️ | ✔️ |
| c | ❌ | ✔️ | ✔️ |
| c+ | ✔️ | ✔️ | ✔️ |
Created
November 19, 2019 04:28
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PHP fopen Modes Impact on Read, Write and Seek
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