Fix GH-14553: Bug in phpdbg8.3 (also 8.1 and 8.2) echo output - trimmed at NULL byte (?) #14822
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This broke in 6318040 when phpdbg stopped using its custom printing routines. By relying on standard printing routines, the embedded NUL bytes are causing the strings to be cut off, even when using %.*s. Solve this by going straight to the output routine, which is what the printf routine would've done anyway.