3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(defined('JSON_C_VERSION') ? JSON_C_VERSION : NULL); var_dump(PHP_INI_SIZE); echo "JSON_BIGINT_AS_STRING:\n"; var_dump(json_decode('[12345678901234567890]', TRUE, 512, JSON_BIGINT_AS_STRING)); var_dump(json_last_error()); var_dump(PHP_VERSION_ID >= 50500 ? json_last_error_msg() : '?'); echo "Invalid UTF-8 input:\n"; var_dump(json_decode("\"\xff\"")); var_dump(json_last_error()); var_dump(PHP_VERSION_ID >= 50500 ? json_last_error_msg() : '?'); echo "Valid UTF-8 input, but the result can not be (lead surrogate followed by lead surrogate):\n"; var_dump(json_decode('"\uD811\uD811"')); var_dump(json_last_error()); var_dump(PHP_VERSION_ID >= 50500 ? json_last_error_msg() : '?'); echo "Fatal error:\n"; var_dump(json_decode('{"\u0000": 1}')); var_dump(json_last_error()); var_dump(PHP_VERSION_ID >= 50500 ? 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)
8.3.60.0090.00618.43
8.3.50.0070.01421.97
8.3.40.0070.00718.81
8.3.30.0070.00719.04
8.3.20.0040.00420.20
8.3.10.0040.00422.04
8.3.00.0060.00322.39
8.2.180.0070.01416.88
8.2.170.0110.00322.96
8.2.160.0100.00320.39
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0090.00626.16
8.2.120.0000.00819.36
8.2.110.0030.00722.14
8.2.100.0110.00019.64
8.2.90.0040.00419.05
8.2.80.0050.00317.97
8.2.70.0040.00717.50
8.2.60.0030.00617.92
8.2.50.0050.00518.07
8.2.40.0030.00518.05
8.2.30.0000.00718.02
8.2.20.0040.00417.65
8.2.10.0040.00419.51
8.2.00.0050.00217.80
8.1.280.0110.01125.92
8.1.270.0080.00022.00
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0050.00522.23
8.1.230.0070.00419.12
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0030.00617.36
8.1.190.0000.00717.50
8.1.180.0080.00018.10
8.1.170.0000.00818.43
8.1.160.0030.00621.94
8.1.150.0000.00818.66
8.1.140.0000.00817.33
8.1.130.0000.00717.71
8.1.120.0040.00417.38
8.1.110.0040.00417.40
8.1.100.0050.00217.46
8.1.90.0030.00717.32
8.1.80.0070.00017.31
8.1.70.0000.00717.35
8.1.60.0080.00017.43
8.1.50.0040.00417.48
8.1.40.0030.00517.45
8.1.30.0040.00417.60
8.1.20.0030.00617.66
8.1.10.0050.00317.55
8.1.00.0000.00717.36
8.0.300.0000.00718.77
8.0.290.0050.00317.05
8.0.280.0070.00018.46
8.0.270.0050.00216.90
8.0.260.0030.00316.89
8.0.250.0040.00417.01
8.0.240.0040.00417.02
8.0.230.0000.00717.00
8.0.220.0030.00317.05
8.0.210.0080.00016.97
8.0.200.0120.00016.72
8.0.190.0070.00017.06
8.0.180.0000.00717.07
8.0.170.0040.00417.01
8.0.160.0000.00716.86
8.0.150.0000.00817.02
8.0.140.0040.00416.91
8.0.130.0030.00313.43
8.0.120.0090.00016.83
8.0.110.0040.00416.95
8.0.100.0000.00716.89
8.0.90.0040.00417.04
8.0.80.0130.00316.98
8.0.70.0040.00416.79
8.0.60.0000.00816.84
8.0.50.0030.00517.04
8.0.30.0140.00917.00
8.0.20.0040.01417.40
8.0.10.0060.00317.06
8.0.00.0120.00716.66
7.4.330.0050.00015.09
7.4.320.0030.00316.52
7.4.300.0000.00716.46
7.4.290.0060.00016.56
7.4.280.0030.00316.57
7.4.270.0070.00016.46
7.4.260.0000.00716.50
7.4.250.0080.00016.38
7.4.240.0060.00216.50
7.4.230.0030.00316.46
7.4.220.0080.01616.44
7.4.210.0040.01116.57
7.4.200.0000.00716.67
7.4.190.0040.00416.46
7.4.160.0080.00816.42
7.4.150.0120.00617.40
7.4.140.0100.00917.86
7.4.130.0090.00916.54
7.4.120.0110.01016.39
7.4.110.0110.00716.57
7.4.100.0100.01016.37
7.4.90.0110.00716.38
7.4.80.0100.01319.39
7.4.70.0100.01016.41
7.4.60.0060.01416.49
7.4.50.0000.00816.15
7.4.40.0040.01222.77
7.4.30.0080.00816.57
7.4.10.0080.00915.15
7.4.00.0080.00914.85
7.3.330.0000.00812.98
7.3.320.0060.00013.07
7.3.310.0000.00716.27
7.3.300.0030.00316.26
7.3.290.0080.00616.23
7.3.280.0070.01016.25
7.3.270.0140.00417.40
7.3.260.0130.01016.43
7.3.250.0100.00616.26
7.3.240.0070.01016.45
7.3.230.0070.01016.39
7.3.210.0130.00916.34
7.3.200.0150.00819.39
7.3.190.0100.01416.21
7.3.180.0170.00016.38
7.3.170.0000.01616.27
7.3.160.0130.00316.23
7.3.130.0080.01014.86
7.3.120.0060.00914.71
7.3.110.0050.01114.99
7.3.100.0060.00914.84
7.3.90.0100.00614.77
7.3.80.0040.00914.88
7.3.70.0080.00714.56
7.3.60.0100.00414.81
7.3.50.0120.00414.70
7.3.40.0070.00714.58
7.3.30.0050.01014.67
7.3.20.0030.00716.65
7.3.10.0110.00216.57
7.3.00.0050.00516.38
7.2.330.0120.00616.50
7.2.320.0160.01016.51
7.2.310.0100.01316.39
7.2.300.0040.01416.39
7.2.290.0160.00616.44
7.2.260.0050.01514.95
7.2.250.0070.01214.66
7.2.240.0050.00914.85
7.2.230.0070.00714.96
7.2.220.0070.01215.00
7.2.210.0060.00614.90
7.2.200.0030.01414.87
7.2.190.0060.00815.00
7.2.180.0060.00914.93
7.2.170.0000.01414.89
7.2.160.0060.00814.94
7.2.150.0050.01116.80
7.2.140.0030.01116.87
7.2.130.0060.00816.71
7.2.120.0020.01316.92
7.2.110.0070.00716.92
7.2.100.0080.00716.86
7.2.90.0060.00616.80
7.2.80.0100.00916.49
7.2.70.0060.01016.85
7.2.60.0060.00916.72
7.2.50.0030.01016.62
7.2.40.0030.00816.70
7.2.30.0080.00816.88
7.2.20.0050.01016.86
7.2.10.0060.00416.79
7.2.00.0090.00517.56
7.1.330.0060.00715.66
7.1.320.0110.00415.71
7.1.310.0050.00915.74
7.1.300.0110.00315.54
7.1.290.0070.00915.54
7.1.280.0070.00615.73
7.1.270.0080.00415.55
7.1.260.0070.01015.62
7.1.250.0050.00915.75
7.1.240.0030.01115.53
7.1.230.0050.00815.62
7.1.220.0050.01115.77
7.1.210.0090.00715.70
7.1.200.0040.00815.65
7.1.190.0070.00315.58
7.1.180.0060.00615.58
7.1.170.0050.00715.70
7.1.160.0070.00515.63
7.1.150.0060.00915.79
7.1.140.0070.00715.78
7.1.130.0090.00515.67
7.1.120.0070.00315.75
7.1.110.0050.00915.60
7.1.100.0030.00916.62
7.1.90.0030.00815.84
7.1.80.0050.00815.74
7.1.70.0020.00916.01
7.1.60.0080.01117.12
7.1.50.0050.00815.99
7.1.40.0050.00815.88
7.1.30.0050.00815.62
7.1.20.0090.00715.51
7.1.10.0100.00415.72
7.1.00.0050.03117.86
7.0.330.0020.00715.19
7.0.320.0050.00815.22
7.0.310.0020.00915.25
7.0.300.0040.00615.37
7.0.290.0060.00615.21
7.0.280.0050.00715.47
7.0.270.0030.00915.27
7.0.260.0070.00515.32
7.0.250.0120.00115.15
7.0.240.0030.00615.32
7.0.230.0080.00715.30
7.0.220.0080.00615.21
7.0.210.0050.00915.41
7.0.200.0010.01015.70
7.0.190.0050.00615.27
7.0.180.0060.00515.38
7.0.170.0020.01215.23
7.0.160.0020.01415.43
7.0.150.0040.00815.38
7.0.140.0060.02917.54
7.0.130.0080.00315.38
7.0.120.0050.00815.41
7.0.110.0090.00315.15
7.0.100.0060.00715.34
7.0.90.0120.00315.34
7.0.80.0030.00815.32
7.0.70.0040.00915.22
7.0.60.0120.02816.85
7.0.50.0060.02816.21
7.0.40.0070.03215.69
7.0.30.0090.02115.59
7.0.20.0110.03015.47
7.0.10.0060.03415.50
7.0.00.0050.01915.69
5.6.400.0050.00514.39
5.6.390.0030.01014.23
5.6.380.0040.00714.36
5.6.370.0020.01314.54
5.6.360.0050.00814.06
5.6.350.0070.00714.42
5.6.340.0090.00514.36
5.6.330.0080.00614.44
5.6.320.0060.00714.36
5.6.310.0030.00914.24
5.6.300.0030.01414.37
5.6.290.0040.01214.42
5.6.280.0040.03016.52
5.6.270.0030.00914.19
5.6.260.0030.01014.25
5.6.250.0030.00814.21
5.6.240.0040.01214.22
5.6.230.0050.00414.33
5.6.220.0060.00814.18
5.6.210.0060.02916.44
5.6.200.0060.02815.70
5.6.190.0050.02916.38
5.6.180.0150.02916.26
5.6.170.0110.03316.34
5.6.160.0040.02116.34
5.6.150.0080.02115.56
5.6.140.0060.02115.68
5.6.130.0080.02015.62
5.6.120.0070.03216.39
5.6.110.0080.03216.54
5.6.100.0050.03516.36
5.6.90.0060.02916.36
5.6.80.0050.03116.29
5.6.70.1320.02116.22
5.6.60.0050.00914.18
5.6.50.0050.00914.04
5.6.40.0070.00714.02
5.6.30.0070.00514.23
5.6.20.0080.00814.26
5.6.10.0060.00814.15
5.6.00.0040.00714.21
5.5.380.0100.00314.14
5.5.370.0070.00614.07
5.5.360.0000.00914.18
5.5.350.0100.02916.33
5.5.340.0060.03215.49
5.5.330.0070.03216.29
5.5.320.0130.03216.20
5.5.310.0130.03016.07
5.5.300.0030.02115.54
5.5.290.0100.02615.42
5.5.280.0070.03116.30
5.5.270.0060.02316.47
5.5.260.0090.02916.39
5.5.250.0030.03316.33
5.5.240.0120.03116.12
5.5.230.0090.00714.22
5.5.220.0060.00714.17
5.5.210.0050.00914.18
5.5.200.0100.00514.17
5.5.190.0040.01114.09
5.5.180.0050.00714.22
5.5.170.0050.00914.19
5.5.160.0030.01014.15
5.5.150.0090.00714.07
5.5.140.0060.00813.93
5.5.130.0070.00613.89
5.5.120.0030.01214.23
5.5.110.0060.00914.36
5.5.100.0060.00814.16
5.5.90.0080.00714.29
5.5.80.0070.00614.21
5.5.70.0050.00614.25
5.5.60.0060.00714.30
5.5.50.0000.01314.19
5.5.40.0030.01214.10
5.5.30.0050.00713.97
5.5.20.0020.01114.03
5.5.10.0080.00813.89
5.5.00.0040.01113.88
5.4.450.0270.02714.57
5.4.440.0130.02514.59
5.4.430.0110.01714.57
5.4.420.0060.02214.54
5.4.410.0080.02214.37
5.4.400.0190.02014.29
5.4.390.0160.02314.22
5.4.380.0100.02214.27
5.4.370.0040.01814.29
5.4.360.0060.02114.26
5.4.350.0050.01912.05
5.4.340.0050.01512.05
5.4.330.0050.00312.08
5.4.320.0070.01312.21
5.4.310.0040.02212.21
5.4.300.0030.01612.21
5.4.290.0020.02112.21
5.4.280.0060.01212.18
5.4.270.0100.02614.39
5.4.260.0040.02214.36
5.4.250.0070.02314.32
5.4.240.0090.02214.31
5.4.230.0080.02614.35
5.4.220.0060.02214.36
5.4.210.0050.03214.29
5.4.200.0060.02114.38
5.4.190.0060.02414.35
5.4.180.0090.02114.33
5.4.170.0070.02014.40
5.4.160.0120.01914.30
5.4.150.0090.02414.36
5.4.140.0090.02213.49
5.4.130.0080.02813.55
5.4.120.0090.02513.53
5.4.110.0060.02313.49
5.4.100.0050.02713.49
5.4.90.0070.02513.52
5.4.80.0070.02513.45
5.4.70.0060.02813.55
5.4.60.0080.02713.56
5.4.50.0090.01913.52
5.4.40.0070.02013.56
5.4.30.0070.02513.50
5.4.20.0090.02613.47
5.4.10.0030.02413.45
5.4.00.0040.02013.37
5.3.290.0070.02012.32
5.3.280.0050.02312.88
5.3.270.0080.02112.94
5.3.260.0040.02612.93
5.3.250.0080.01812.95
5.3.240.0050.02812.87
5.3.230.0050.02112.93
5.3.220.0070.01912.92
5.3.210.0040.03012.93
5.3.200.0080.02612.92
5.3.190.0080.02012.97
5.3.180.0060.02612.89
5.3.170.0070.02312.88
5.3.160.0050.02412.92
5.3.150.0100.01812.86
5.3.140.0060.02412.91
5.3.130.0090.02612.93
5.3.120.0070.02612.87
5.3.110.0060.02512.91
5.3.100.0050.02512.74
5.3.90.0020.02712.63
5.3.80.0090.02512.70
5.3.70.0090.02612.76
5.3.60.0050.02312.67
5.3.50.0050.02512.67
5.3.40.0020.02312.67
5.3.30.0040.02612.73
5.3.20.0060.02012.57
5.3.10.0060.02512.64
5.3.00.0060.02112.56
5.2.170.0030.05011.17
5.2.160.0130.04011.30
5.2.150.0070.05011.16
5.2.140.0000.05311.16
5.2.130.0100.04711.14
5.2.120.0100.04011.02
5.2.110.0100.03710.88
5.2.100.0170.05011.01
5.2.90.0100.04711.12
5.2.80.0070.04011.00
5.2.70.0170.05010.86
5.2.60.0070.05011.08
5.2.50.0170.03011.04
5.2.40.0070.05010.93
5.2.30.0170.05011.00
5.2.20.0130.04710.73
5.2.10.0070.04010.85
5.2.00.0200.03710.89
5.1.60.0000.0509.92
5.1.50.0030.04310.06
5.1.40.0070.03310.22
5.1.30.0070.04010.56
5.1.20.0100.05010.45
5.1.10.0130.04010.19
5.1.00.0030.04010.01
5.0.50.0030.0378.52
5.0.40.0130.0278.27
5.0.30.0100.0408.17
5.0.20.0100.0308.25
5.0.10.0070.0408.27
5.0.00.0100.0478.41
4.4.90.0000.0336.60
4.4.80.0000.0336.60
4.4.70.0030.0306.60
4.4.60.0000.0336.60
4.4.50.0000.0236.60
4.4.40.0030.0336.60
4.4.30.0030.0276.60
4.4.20.0070.0276.60
4.4.10.0070.0236.60
4.4.00.0030.0376.60
4.3.110.0030.0306.60
4.3.100.0000.0306.60
4.3.90.0070.0236.60
4.3.80.0000.0376.60
4.3.70.0030.0176.60
4.3.60.0030.0306.60
4.3.50.0030.0236.60
4.3.40.0030.0336.60
4.3.30.0000.0236.60
4.3.20.0030.0276.60
4.3.10.0000.0236.60
4.3.00.0200.0236.92

preferences:
50.28 ms | 401 KiB | 5 Q