3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "'string'\n"; $r = json_decode("'string'"); var_dump($r, json_last_error(), json_last_error_msg()); echo "\n"; echo "\"string\"\n"; $r = json_decode("\"string\""); var_dump($r, json_last_error(), json_last_error_msg()); echo "\n"; echo "100\n"; $r = json_decode("100"); // int var_dump($r, json_last_error(), json_last_error_msg()); echo "\n"; echo "1.\n"; $r = json_decode("1."); // float var_dump($r, json_last_error(), json_last_error_msg()); echo "\n"; echo "1.0\n"; $r = json_decode("1.0"); // float var_dump($r, json_last_error(), json_last_error_msg()); echo "\n"; echo ".5\n"; $r = json_decode(".5"); // float var_dump($r, json_last_error(), json_last_error_msg()); echo "\n"; echo "true\n"; $r = json_decode("true"); // bool var_dump($r, json_last_error(), json_last_error_msg());

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0120.00916.50
8.3.50.0120.00821.99
8.3.40.0090.01218.70
8.3.30.0040.01118.71
8.3.20.0050.00319.97
8.3.10.0080.00023.71
8.3.00.0050.00319.72
8.2.180.0160.00716.75
8.2.170.0070.00722.96
8.2.160.0140.00420.35
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00019.27
8.2.120.0050.00326.35
8.2.110.0030.00620.47
8.2.100.0040.00818.04
8.2.90.0090.00019.26
8.2.80.0000.00917.97
8.2.70.0080.00017.63
8.2.60.0080.00018.03
8.2.50.0030.00618.07
8.2.40.0030.00522.28
8.2.30.0070.00020.76
8.2.20.0030.00617.71
8.2.10.0000.00718.00
8.2.00.0000.00717.95
8.1.280.0110.00325.92
8.1.270.0030.00620.38
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0000.00922.05
8.1.230.0040.00817.64
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0030.00617.22
8.1.190.0000.00917.11
8.1.180.0090.00018.10
8.1.170.0000.00718.46
8.1.160.0080.00020.77
8.1.150.0000.00818.81
8.1.140.0000.00819.46
8.1.130.0040.00417.67
8.1.120.0050.00317.32
8.1.110.0030.00517.32
8.1.100.0030.00517.38
8.1.90.0040.00417.33
8.1.80.0050.00317.45
8.1.70.0000.00717.31
8.1.60.0060.00317.57
8.1.50.0040.00417.36
8.1.40.0060.00617.51
8.1.30.0040.00417.64
8.1.20.0000.00817.55
8.1.10.0000.00817.50
8.1.00.0050.00217.41
8.0.300.0060.00318.77
8.0.290.0000.00716.88
8.0.280.0000.00718.55
8.0.270.0000.00717.16
8.0.260.0030.00317.39
8.0.250.0000.00716.84
8.0.240.0000.00616.78
8.0.230.0060.00316.79
8.0.220.0050.00316.87
8.0.210.0040.00416.82
8.0.200.0060.00016.80
8.0.190.0030.00616.88
8.0.180.0000.00716.77
8.0.170.0040.00416.79
8.0.160.0000.00816.96
8.0.150.0040.00416.70
8.0.140.0070.00016.72
8.0.130.0060.00013.27
8.0.120.0080.00016.84
8.0.110.0000.00716.83
8.0.100.0040.00416.86
8.0.90.0050.00216.71
8.0.80.0030.01316.82
8.0.70.0050.00216.69
8.0.60.0020.00516.74
8.0.50.0000.00716.88
8.0.30.0090.00917.04
8.0.20.0110.01217.40
8.0.10.0080.00016.81
8.0.00.0110.00716.61
7.4.330.0050.00016.71
7.4.320.0030.00316.52
7.4.300.0060.00316.46
7.4.290.0000.00716.53
7.4.280.0070.00316.60
7.4.270.0020.00516.53
7.4.260.0030.00316.52
7.4.250.0000.00816.43
7.4.240.0020.00516.39
7.4.230.0030.00316.36
7.4.220.0130.01316.59
7.4.210.0110.00416.50
7.4.200.0070.00016.63
7.4.160.0090.00916.59
7.4.150.0100.01017.40
7.4.140.0120.00717.86
7.4.130.0060.01516.62
7.4.120.0090.00816.46
7.4.110.0100.01416.29
7.4.100.0110.00716.39
7.4.90.0110.00716.44
7.4.80.0110.00819.39
7.4.70.0130.00916.54
7.4.60.0120.00416.36
7.4.50.0040.01416.50
7.4.40.0120.00416.42
7.4.30.0070.01316.39
7.4.00.0080.00814.75
7.3.330.0030.00413.10
7.3.320.0030.00312.92
7.3.310.0030.00316.15
7.3.300.0000.00716.20
7.3.290.0100.00716.18
7.3.280.0090.01216.17
7.3.270.0050.01417.40
7.3.260.0130.00316.28
7.3.240.0120.00616.43
7.3.230.0120.00616.39
7.3.210.0110.00816.09
7.3.200.0110.00616.06
7.3.190.0090.01016.47
7.3.180.0100.00716.42
7.3.170.0110.01116.27
7.3.160.0120.00316.38
7.3.120.0120.00614.77
7.3.110.0030.01414.76
7.3.100.0070.00714.71
7.3.90.0070.01114.77
7.3.80.0040.01114.90
7.3.70.0120.00614.79
7.3.60.0110.00414.75
7.3.50.0050.00514.84
7.3.40.0060.00614.45
7.3.30.0080.00414.79
7.3.20.0070.00716.48
7.3.10.0090.00316.51
7.3.00.0070.00516.34
7.2.330.0170.00716.78
7.2.320.0030.01516.64
7.2.310.0040.01316.38
7.2.300.0110.00516.54
7.2.290.0100.01016.71
7.2.250.0100.01014.93
7.2.240.0070.01114.83
7.2.230.0060.01314.88
7.2.220.0060.00914.76
7.2.210.0030.01414.91
7.2.200.0030.01515.05
7.2.190.0060.00615.09
7.2.180.0040.00814.96
7.2.170.0000.01314.68
7.2.160.0060.00314.79
7.2.150.0060.00916.80
7.2.140.0030.01216.66
7.2.130.0040.01016.74
7.2.120.0060.00716.74
7.2.110.0080.00616.88
7.2.100.0060.00816.71
7.2.90.0060.00716.84
7.2.80.0030.01116.71
7.2.70.0080.00416.77
7.2.60.0050.00916.72
7.2.50.0050.00916.68
7.2.40.0070.00716.77
7.2.30.0070.00516.71
7.2.20.0050.00716.82
7.2.10.0090.00316.82
7.2.00.0070.00817.13
7.1.330.0030.00915.84
7.1.320.0040.01115.86
7.1.310.0100.00715.55
7.1.300.0080.00015.85
7.1.290.0100.00315.60
7.1.280.0060.00315.48
7.1.270.0030.00715.52
7.1.260.0000.01215.74
7.1.250.0040.00915.56
7.1.240.0030.00815.81
7.1.230.0050.00715.56
7.1.220.0030.00715.51
7.1.210.0040.00915.64
7.1.200.0050.00815.70
7.1.190.0040.00615.58
7.1.180.0060.00715.68
7.1.170.0000.01115.47
7.1.160.0050.00815.66
7.1.150.0060.00415.79
7.1.140.0000.01415.34
7.1.130.0060.00715.74
7.1.120.0060.00815.72
7.1.110.0030.00715.78
7.1.100.0030.00916.46
7.1.90.0030.01015.65
7.1.80.0050.00715.67
7.1.70.0020.00916.12
7.1.60.0060.01116.72
7.1.50.0050.01016.19
7.1.40.0080.00415.78
7.1.30.0090.00315.60
7.1.20.0050.00715.53
7.1.10.0070.00715.78
7.1.00.0050.02917.88
7.0.330.0070.00615.12
7.0.320.0030.01015.26
7.0.310.0050.00615.38
7.0.300.0020.00815.22
7.0.290.0040.00815.26
7.0.280.0070.00415.38
7.0.270.0050.00815.02
7.0.260.0050.00515.38
7.0.250.0060.00615.46
7.0.240.0040.01115.34
7.0.230.0030.00515.40
7.0.220.0030.00915.37
7.0.210.0090.00215.29
7.0.200.0010.00915.68
7.0.190.0040.00815.40
7.0.180.0090.00615.40
7.0.170.0060.00815.32
7.0.160.0050.00615.18
7.0.150.0020.00715.38
7.0.140.0060.00715.44
7.0.130.0030.00815.22
7.0.120.0060.00615.27
7.0.110.0020.01015.24
7.0.100.0070.00515.28
7.0.90.0050.00615.45
7.0.80.0070.00715.15
7.0.70.0060.00815.37
7.0.60.0060.02216.88
7.0.50.0060.03116.22
7.0.40.0050.03315.71
7.0.30.0130.03115.52
7.0.20.0200.02715.66
7.0.10.0050.03215.74
7.0.00.0100.02915.66
5.6.400.0000.01514.29
5.6.390.0070.00714.21
5.6.380.0080.00514.37
5.6.370.0050.00914.36
5.6.360.0000.01214.14
5.6.350.0070.00714.11
5.6.340.0030.01014.11
5.6.330.0030.00914.42
5.6.320.0020.01014.30
5.6.310.0070.00714.07
5.6.300.0030.00814.25
5.6.290.0110.00114.12
5.6.280.0080.02116.41
5.6.270.0050.00414.12
5.6.260.0070.00514.36
5.6.250.0060.00814.38
5.6.240.0070.00514.45
5.6.230.0060.00814.36
5.6.220.0040.00914.30
5.6.210.0080.02416.32
5.6.200.0060.03515.49
5.6.190.0040.03516.27
5.6.180.1220.01516.35
5.6.170.0130.02116.44
5.6.160.0040.03516.29
5.6.150.0070.01915.51
5.6.140.0070.03015.44
5.6.130.0060.02715.51
5.6.120.0090.03216.31
5.6.110.0090.02416.49
5.6.100.0060.03216.43
5.6.90.0120.02816.44
5.6.80.0050.01816.15
5.6.70.0040.00913.99
5.6.60.0030.01213.90
5.6.50.0060.00914.13
5.6.40.0080.00714.17
5.6.30.0080.00514.05
5.6.20.0100.00514.18
5.6.10.0030.00913.97
5.6.00.0070.00714.11
5.5.380.0070.00412.49
5.5.370.0070.00312.49
5.5.360.0060.00612.46
5.5.350.0100.02415.22
5.5.340.0060.01814.32
5.5.330.0070.02815.09
5.5.320.0110.03215.03
5.5.310.0080.02015.13
5.5.300.0040.02214.32
5.5.290.0070.02314.34
5.5.280.0090.02815.13
5.5.270.0040.01715.26
5.5.260.0090.02915.07
5.5.250.0080.03115.11
5.5.240.0120.02514.92
5.5.230.0030.00912.47
5.5.220.0050.00712.53
5.5.210.0070.00512.55
5.5.200.0040.00812.33
5.5.190.0050.00812.47
5.5.180.0040.00412.48
5.5.170.0050.00712.53
5.5.160.0090.00612.53
5.5.150.0030.00612.45
5.5.140.0060.00712.17
5.5.130.0010.01112.52
5.5.120.0060.00612.41
5.5.110.0040.01012.33
5.5.100.0060.00712.45
5.5.90.0030.00812.47
5.5.80.0040.00712.37
5.5.70.0090.00112.32
5.5.60.0050.00512.13
5.5.50.0080.00512.29
5.5.40.0070.00312.17
5.5.30.0030.00712.11
5.5.20.0070.00312.43
5.5.10.0040.00612.20
5.5.00.0070.00612.19

preferences:
49.73 ms | 401 KiB | 5 Q