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<?php function createEmptyGen1() { if(false) { yield 1; } } function createEmptyGen2() { if(false) { yield 2; } } $ai = new \AppendIterator(); $ai->append(createEmptyGen1()); $ai->append(createEmptyGen2()); foreach ($ai as $_);
Output for 7.0.10 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Exception: Cannot traverse an already closed generator in /in/R4AH3:10 Stack trace: #0 /in/R4AH3(10): AppendIterator->rewind() #1 {main} Next Exception: Cannot traverse an already closed generator in /in/R4AH3:10 Stack trace: #0 /in/R4AH3(10): AppendIterator->rewind() #1 {main} thrown in /in/R4AH3 on line 10
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Exception: Cannot traverse an already closed generator in /in/R4AH3:10 Stack trace: #0 /in/R4AH3(10): AppendIterator->rewind() #1 {main} Next Exception: Cannot traverse an already closed generator in /in/R4AH3:10 Stack trace: #0 /in/R4AH3(10): AppendIterator->rewind() #1 {main} thrown in /in/R4AH3 on line 10
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.24, 7.0.0 - 7.0.9

Process exited with code 139.
Output for 5.6.25 - 5.6.40
Fatal error: Uncaught exception 'Exception' with message 'Cannot traverse an already closed generator' in /in/R4AH3:10 Stack trace: #0 /in/R4AH3(10): AppendIterator->rewind() #1 {main} Next exception 'Exception' with message 'Cannot traverse an already closed generator' in /in/R4AH3:10 Stack trace: #0 /in/R4AH3(10): AppendIterator->rewind() #1 {main} thrown in /in/R4AH3 on line 10
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '1' (T_LNUMBER) in /in/R4AH3 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_LNUMBER in /in/R4AH3 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_LNUMBER in /in/R4AH3 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/R4AH3 on line 3
Process exited with code 255.

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