@ 2014-10-30T09:59:49Z <?php
var_dump(sprintf("('1%1$\')", 'a'));
var_dump(sprintf("('1%\')", 'a','b'));
var_dump(sprintf("('1%ab", 'a','b'));
var_dump(sprintf("('1%)a", 'a','b'));
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Output for 8.0.0 - 8.0.30 , 8.1.0 - 8.1.27 , 8.2.0 - 8.2.17 , 8.3.0 - 8.3.4 Fatal error: Uncaught ValueError: Unknown format specifier "\" in /in/AOiLD:2
Stack trace:
#0 /in/AOiLD(2): sprintf('('1%1$\\')', 'a')
#1 {main}
thrown in /in/AOiLD on line 2
Process exited with code 255 . Output for 4.3.0 - 4.3.11 , 4.4.0 - 4.4.9 , 5.0.0 - 5.0.5 , 5.1.0 - 5.1.6 , 5.2.0 - 5.2.17 , 5.3.0 - 5.3.29 , 5.4.0 - 5.4.45 , 5.5.24 - 5.5.35 , 5.6.7 - 5.6.28 , 7.0.0 - 7.0.20 , 7.1.0 - 7.1.10 , 7.2.0 - 7.2.33 , 7.3.16 - 7.3.33 , 7.4.0 - 7.4.33 string(5) "('1')"
string(5) "('1')"
string(4) "('1b"
string(4) "('1a"
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209.4 ms | 404 KiB | 307 Q