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<?php $stream = fopen("php://temp", "r+"); fwrite($stream, "0123456789"); rewind($stream); var_dump(fread($stream, 10), ftell($stream), feof($stream)); var_dump(fread($stream, 1), ftell($stream), feof($stream)); $stream = fopen("php://memory", "r+"); fwrite($stream, "0123456789"); rewind($stream); var_dump(fread($stream, 10), ftell($stream), feof($stream)); var_dump(fread($stream, 1), ftell($stream), feof($stream));
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
string(10) "0123456789" int(10) bool(false) string(0) "" int(10) bool(true) string(10) "0123456789" int(10) bool(false) string(0) "" int(10) bool(true)
preferences:
152.19 ms | 407 KiB | 5 Q