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<?php define("T1","one"); define("T2","two"); $test="number %2'$s'"; $test=sprintf($test, T1,T2); echo $test;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Warning: Undefined variable $s in /in/rqg7I on line 5 Fatal error: Uncaught ValueError: Unknown format specifier "'" in /in/rqg7I:7 Stack trace: #0 /in/rqg7I(7): sprintf('number %2''', 'one', 'two') #1 {main} thrown in /in/rqg7I on line 7
Process exited with code 255.
Output for 5.0.4 - 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, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: s in /in/rqg7I on line 5 number '
Output for 7.3.32 - 7.3.33, 7.4.26
number '
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: s in /in/rqg7I on line 5 number '

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