3v4l.org

run code in 300+ PHP versions simultaneously
<?php $y = new stdClass; $x = bin2hex(random_bytes(16)); $y->token = $x; var_dump(json_encode($y));

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)
7.4.10.0140.00016.51
7.4.00.0140.00016.33
7.3.130.0070.01116.45
7.3.120.0100.00616.19
7.3.110.0100.00716.06
7.3.100.0030.00716.38
7.3.90.0040.01116.36
7.3.80.0060.00616.12
7.3.70.0040.01116.15
7.3.60.0030.00916.13
7.3.50.0100.00816.38
7.3.40.0000.00916.22
7.3.30.0060.00316.05
7.3.20.0030.01218.16
7.3.10.0090.01217.95
7.3.00.0070.00718.07
7.2.260.0070.01316.39
7.2.250.0030.01016.64
7.2.240.0060.00616.31
7.2.230.0030.01316.51
7.2.220.0070.01016.45
7.2.210.0000.01016.40
7.2.200.0090.00616.28
7.2.190.0140.00516.44
7.2.180.0000.01416.48
7.2.170.0090.00616.50
7.2.160.0030.01716.36
7.2.150.0060.00918.29
7.2.140.0030.01418.32
7.2.130.0060.01018.38
7.2.120.0120.00318.36
7.2.110.0060.00618.29
7.2.100.0000.01618.19
7.2.90.0070.00418.31
7.2.80.0030.01318.13
7.2.70.0030.01318.07
7.2.60.0400.01216.65
7.2.50.0030.01418.23
7.2.40.0060.01118.43
7.2.30.0110.00718.49
7.2.20.0080.00818.18
7.2.10.0130.00718.36
7.2.00.0060.00718.62
7.1.330.0140.00017.24
7.1.320.0130.00017.40
7.1.310.0030.00617.43
7.1.300.0130.00817.30
7.1.290.0030.00917.28
7.1.280.0060.00617.34
7.1.270.0070.00717.50
7.1.260.0070.00717.21
7.1.250.0090.00917.23
7.1.240.0030.01017.28
7.1.230.0100.00317.30
7.1.220.0130.00317.34
7.1.210.0060.00617.20
7.1.200.0070.00717.41
7.1.190.0030.01017.18
7.1.180.0040.01117.36
7.1.170.0070.00717.22
7.1.160.0040.00717.30
7.1.150.0030.00617.35
7.1.140.0040.00817.27
7.1.130.0080.00817.25
7.1.120.0030.01017.30
7.1.110.0140.00017.38
7.1.100.0090.00417.84
7.1.90.0130.00317.33
7.1.80.0000.01417.20
7.1.70.0150.00616.29
7.1.60.0180.01325.12
7.1.50.0160.01525.04
7.1.40.0200.01525.03
7.1.30.0230.01224.88
7.1.20.0170.01625.04
7.1.10.0090.01215.93
7.1.00.0140.00716.07
7.0.330.0000.01216.91
7.0.320.0030.01216.92
7.0.310.0130.00417.04
7.0.300.0070.00316.89
7.0.290.0060.00316.76
7.0.280.0060.00616.77
7.0.270.0070.00716.76
7.0.260.0100.00317.02
7.0.250.0000.01316.67
7.0.240.0040.01116.71
7.0.230.0060.01216.83
7.0.220.0030.01016.98
7.0.210.0040.01116.82
7.0.200.0120.01015.83
7.0.190.0110.00915.87
7.0.180.0120.01115.57
7.0.170.0130.01115.50
7.0.160.0120.00615.61
7.0.150.0130.00815.73
7.0.140.0130.01015.61
7.0.130.0090.00915.85
7.0.120.0130.00815.76
7.0.110.0100.01315.47
7.0.100.0140.00615.59
7.0.90.0140.00615.65
7.0.80.0160.00715.59
7.0.70.0080.01315.57
7.0.60.0100.01215.36
7.0.50.0140.00615.68
7.0.40.0130.01014.70
7.0.30.0150.00414.80
7.0.20.0120.00714.76
7.0.10.0150.00314.65
7.0.00.0110.01014.66
5.6.400.0110.00316.00
5.6.390.0070.00715.63
5.6.380.0120.00316.05
5.6.370.0130.00315.83
5.6.360.0090.00615.71
5.6.350.0060.00915.87
5.6.340.0000.01015.74
5.6.330.0030.01015.94
5.6.320.0080.00815.86
5.6.310.0060.01315.81
5.6.300.0030.01315.73
5.6.290.0100.00715.88
5.6.280.0030.01216.15
5.6.270.0060.00915.73
5.6.260.0070.00715.48
5.6.250.0070.01015.88
5.6.240.0090.00615.73
5.6.230.0000.01415.78
5.6.220.0030.01315.83
5.6.210.0030.00715.65
5.6.200.0070.00715.60
5.6.190.0080.00415.76
5.6.180.0030.01015.80
5.6.170.0070.00715.79
5.6.160.0090.00615.81
5.6.150.0030.01215.88
5.6.140.0070.00715.79
5.6.130.0080.00415.72
5.6.120.0000.01215.93
5.6.110.0080.00715.64
5.6.100.0070.01015.81
5.6.90.0000.01315.70
5.6.80.0060.00615.88
5.6.70.0030.00715.63
5.6.60.0060.00315.68
5.6.50.0030.00715.82
5.6.40.0130.00315.80
5.6.30.0060.00915.78
5.6.20.0100.00715.98
5.6.10.0120.00315.80
5.6.00.0070.00415.51

preferences:
37.07 ms | 401 KiB | 5 Q