3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_encode([["foo"=>"bar"]]);

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)
8.3.40.0000.01518.57
8.3.30.0040.01118.42
8.3.20.0190.00019.21
8.3.10.0030.00523.61
8.3.00.0070.00720.73
8.2.170.0080.00822.96
8.2.160.0070.00720.39
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0000.01818.09
8.2.120.0120.00326.35
8.2.110.0050.00521.00
8.2.100.0070.00417.78
8.2.90.0030.00618.03
8.2.80.0000.00817.97
8.2.70.0050.00417.79
8.2.60.0040.00418.09
8.2.50.0040.00418.10
8.2.40.0000.00719.33
8.2.30.0080.00019.19
8.2.20.0070.00018.04
8.2.10.0050.00317.92
8.2.00.0000.00817.38
8.1.270.0110.00418.74
8.1.260.0090.00026.35
8.1.250.0000.00728.09
8.1.240.0100.00018.99
8.1.230.0060.00622.68
8.1.220.0040.00417.74
8.1.210.0040.00718.77
8.1.200.0000.01117.10
8.1.190.0000.00917.10
8.1.180.0080.00018.10
8.1.170.0060.00318.53
8.1.160.0000.00718.63
8.1.150.0040.00418.70
8.1.140.0050.00222.06
8.1.130.0050.00320.22
8.1.120.0040.00417.22
8.1.110.0030.00317.28
8.1.100.0030.00517.20
8.1.90.0030.00317.34
8.1.80.0040.00417.33
8.1.70.0000.00717.30
8.1.60.0040.00417.45
8.1.50.0000.00717.39
8.1.40.0050.00317.43
8.1.30.0040.00717.53
8.1.20.0000.00717.39
8.1.10.0000.00717.47
8.1.00.0000.00817.39
8.0.300.0080.00019.89
8.0.290.0000.00816.75
8.0.280.0000.00718.37
8.0.270.0040.00417.18
8.0.260.0000.00618.36
8.0.250.0030.00316.88
8.0.240.0040.00416.91
8.0.230.0030.00316.80
8.0.220.0030.00316.65
8.0.210.0000.00616.63
8.0.200.0000.00716.81
8.0.190.0070.00316.82
8.0.180.0040.00416.67
8.0.170.0090.00016.68
8.0.160.0050.00216.63
8.0.150.0030.00616.76
8.0.140.0070.00016.65
8.0.130.0050.00013.14
8.0.120.0000.00816.60
8.0.110.0030.00516.71
8.0.100.0060.00316.75
8.0.90.0000.00716.86
8.0.80.0060.00916.72
8.0.70.0040.00416.83
8.0.60.0040.00416.73
8.0.50.0020.00516.70
8.0.30.0060.01116.94
8.0.20.0030.01517.40
8.0.10.0030.00516.94
8.0.00.0100.01316.61
7.4.330.0000.00515.55
7.4.320.0000.00616.43
7.4.300.0070.00016.36
7.4.290.0060.00016.46
7.4.280.0050.00316.29
7.4.270.0100.00016.46
7.4.260.0030.00316.46
7.4.250.0040.00416.32
7.4.240.0000.00816.32
7.4.230.0080.00016.20
7.4.220.0000.00716.53
7.4.210.0040.01116.47
7.4.200.0040.00416.46
7.4.160.0090.00616.34
7.4.140.0130.00717.86
7.4.130.0070.01116.25
7.4.120.0130.00516.42
7.4.110.0190.00316.26
7.4.100.0120.00316.38
7.4.90.0090.00916.34
7.4.80.0120.00619.39
7.4.70.0070.01416.32
7.4.60.0000.01816.28
7.4.50.0000.01816.21
7.4.40.0070.01016.26
7.4.10.0090.00914.98
7.4.00.0120.00614.86
7.3.330.0000.00512.87
7.3.320.0050.00013.05
7.3.310.0040.00416.14
7.3.300.0070.00015.98
7.3.290.0030.00316.11
7.3.280.0050.01016.10
7.3.260.0130.00616.27
7.3.240.0110.00716.34
7.3.230.0000.01716.23
7.3.210.0080.00816.33
7.3.200.0060.00916.12
7.3.190.0120.00816.16
7.3.180.0090.00715.96
7.3.170.0160.00616.34
7.3.160.0060.00916.12
7.3.130.0030.01214.43
7.3.120.0030.01314.50
7.3.110.0090.00914.68
7.3.100.0090.00914.48
7.3.90.0070.01114.88
7.3.80.0070.00414.66
7.3.70.0040.01214.74
7.3.60.0070.00714.63
7.3.50.0030.01014.60
7.3.40.0030.01314.79
7.3.30.0040.01114.50
7.3.20.0120.00016.35
7.3.10.0090.00316.55
7.3.00.0080.00816.25
7.2.330.0030.01416.32
7.2.320.0080.01216.53
7.2.310.0080.00816.57
7.2.300.0110.00716.27
7.2.290.0060.00916.30
7.2.260.0140.00315.10
7.2.250.0090.00914.85
7.2.240.0080.00614.68
7.2.230.0070.01014.62
7.2.220.0040.01514.83
7.2.210.0090.00614.92
7.2.200.0000.01414.93
7.2.190.0000.01314.94
7.2.180.0060.00614.68
7.2.170.0040.00814.53
7.2.160.0070.01114.74
7.2.150.0030.00616.66
7.2.140.0070.00716.76
7.2.130.0030.01616.60
7.2.120.0090.00616.96
7.2.110.0000.01016.59
7.2.100.0120.00316.50
7.2.90.0040.00716.72
7.2.80.0120.00316.63
7.2.70.0100.00616.43
7.2.60.0000.01616.77
7.2.50.0050.00516.82
7.2.40.0060.00916.60
7.2.30.0100.00316.75
7.2.20.0030.01216.85
7.2.10.0030.01316.65
7.2.00.0130.00016.72
7.1.330.0040.00715.54
7.1.320.0070.01015.61
7.1.310.0070.00715.71
7.1.300.0000.00915.60
7.1.290.0030.01015.68
7.1.280.0110.00415.62
7.1.270.0030.00715.41
7.1.260.0120.00015.43
7.1.250.0090.00615.64
7.1.240.0090.00615.86
7.1.230.0040.01115.55
7.1.220.0110.00415.66
7.1.210.0040.01115.35
7.1.200.0000.00915.40
7.1.190.0060.00315.54
7.1.180.0070.01015.68
7.1.170.0030.00615.41
7.1.160.0120.00615.55
7.1.150.0050.00515.76
7.1.140.0060.00315.84
7.1.130.0000.01315.64
7.1.120.0060.00315.73
7.1.110.0080.00815.63
7.1.100.0060.00615.52
7.1.90.0000.01115.32
7.1.80.0070.00715.40
7.1.70.0090.00915.48
7.1.60.0070.00715.57
7.1.50.0040.00815.68
7.1.40.0040.01115.73
7.1.30.0000.01115.69
7.1.20.0060.00915.73
7.1.10.0000.00915.61
7.1.00.0000.00915.56
7.0.330.0110.00715.29
7.0.320.0040.01115.11
7.0.310.0040.00815.41
7.0.300.0090.00615.20
7.0.290.0060.00815.28
7.0.280.0040.00415.40
7.0.270.0000.01215.33
7.0.260.0030.01215.05
7.0.250.0030.01015.45
7.0.240.0030.01015.18
7.0.230.0030.00615.12
7.0.220.0030.01315.23
7.0.210.0040.01115.39
7.0.200.0100.00315.07
7.0.190.0000.01115.30
7.0.180.0090.00415.32
7.0.170.0040.01115.26
7.0.160.0100.00315.14
7.0.150.0080.00415.27
7.0.140.0060.00615.11
7.0.130.0000.01315.13
7.0.120.0060.00915.15
7.0.110.0090.00615.16
7.0.100.0030.00715.00
7.0.90.0030.00615.09
7.0.80.0070.00715.16
7.0.70.0030.01015.36
7.0.60.0000.01314.97
7.0.50.0070.00715.44
7.0.40.0000.00813.50
7.0.30.0030.01013.63
7.0.20.0090.00913.43
7.0.10.0030.01413.18
7.0.00.0070.01013.38
5.6.400.0090.00614.38
5.6.390.0000.01513.76
5.6.380.0060.00613.95
5.6.370.0070.00714.22
5.6.360.0070.01014.48
5.6.350.0070.00414.11
5.6.340.0070.00714.41
5.6.330.0040.00814.08
5.6.320.0090.00613.95
5.6.310.0080.00713.90
5.6.300.0040.00714.45
5.6.290.0090.00014.34
5.6.280.0070.01014.22
5.6.270.0070.01013.83
5.6.260.0090.00814.47
5.6.250.0080.00414.07
5.6.240.0000.01514.39
5.6.230.0070.00714.48
5.6.220.0040.01114.54
5.6.210.0110.00414.07
5.6.200.0070.00714.29
5.6.190.0000.00814.34
5.6.180.0030.01014.08
5.6.170.0030.01014.36
5.6.160.0030.00914.14
5.6.150.0030.00913.96
5.6.140.0030.01014.12
5.6.130.0090.00314.04
5.6.120.0040.00414.32
5.6.110.0030.01014.17
5.6.100.0050.00813.96
5.6.90.0040.01114.31
5.6.80.0040.00814.23
5.6.70.0100.01013.95
5.6.60.0090.00914.23
5.6.50.0180.00014.32
5.6.40.0070.00714.16
5.6.30.0060.01214.20
5.6.20.0070.01014.23
5.6.10.0110.00413.84
5.6.00.0000.00814.18

preferences:
65.6 ms | 400 KiB | 5 Q