3v4l.org

run code in 300+ PHP versions simultaneously
<?php $textData = pack("N", '123123123123'); var_dump($textData); $textData = unpack("N",$textData); var_dump($textData); echo mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CFB);

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)
8.3.60.0140.00718.55
8.3.50.0330.00721.99
8.3.40.0150.00018.90
8.3.30.0210.00018.49
8.3.20.0040.00420.16
8.3.10.0000.00823.59
8.3.00.0040.00419.77
8.2.180.0090.00916.88
8.2.170.0170.00322.96
8.2.160.0130.00620.47
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00517.50
8.2.110.0030.00621.00
8.2.100.0060.00617.84
8.2.90.0060.00318.82
8.2.80.0040.00417.97
8.2.70.0000.01017.50
8.2.60.0000.00817.93
8.2.50.0100.00018.10
8.2.40.0060.00320.47
8.2.30.0070.00019.74
8.2.20.0070.00017.68
8.2.10.0000.00817.87
8.2.00.0050.00217.99
8.1.280.0120.00625.92
8.1.270.0000.00820.34
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.14
8.1.230.0000.01117.70
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0070.00317.35
8.1.190.0000.00817.23
8.1.180.0000.00718.10
8.1.170.0060.00318.57
8.1.160.0030.00322.13
8.1.150.0040.00418.70
8.1.140.0000.00817.40
8.1.130.0000.00817.62
8.1.120.0000.00717.36
8.1.110.0040.00417.39
8.1.100.0040.00417.38
8.1.90.0000.00717.39
8.1.80.0040.00417.37
8.1.70.0000.00717.44
8.1.60.0030.00517.48
8.1.50.0040.00417.54
8.1.40.0070.00017.41
8.1.30.0040.00417.64
8.1.20.0070.00017.52
8.1.10.0040.00417.47
8.1.00.0000.00817.39
8.0.300.0100.00018.77
8.0.290.0040.00416.63
8.0.280.0030.00318.38
8.0.270.0070.00017.21
8.0.260.0030.00317.25
8.0.250.0000.00816.86
8.0.240.0080.00016.88
8.0.230.0000.00716.85
8.0.220.0030.00316.91
8.0.210.0030.00516.91
8.0.200.0080.00016.91
8.0.190.0030.00616.88
8.0.180.0040.00416.80
8.0.170.0040.00416.86
8.0.160.0000.00816.92
8.0.150.0050.00216.78
8.0.140.0030.00416.84
8.0.130.0070.00013.33
8.0.120.0040.00416.80
8.0.110.0070.00016.94
8.0.100.0070.00016.72
8.0.90.0040.00416.79
8.0.80.0100.00716.88
8.0.70.0040.00416.71
8.0.60.0000.00716.89
8.0.50.0000.00716.88
8.0.30.0110.00716.93
8.0.20.0130.01017.40
8.0.10.0050.00316.96
8.0.00.0110.00916.69
7.4.330.0020.00215.08
7.4.320.0000.00616.52
7.4.300.0030.00316.45
7.4.290.0000.00816.61
7.4.280.0000.00716.51
7.4.270.0060.00016.56
7.4.260.0030.00316.63
7.4.250.0040.00416.47
7.4.240.0000.00716.50
7.4.230.0080.00016.62
7.4.220.0060.00916.64
7.4.210.0070.00716.60
7.4.200.0000.00716.60
7.4.160.0120.00316.48
7.4.150.0040.01517.40
7.4.140.0060.01117.86
7.4.130.0100.00916.52
7.4.120.0150.00316.44
7.4.110.0050.01416.50
7.4.100.0110.00516.57
7.4.90.0110.00616.38
7.4.80.0090.00919.39
7.4.70.0170.00316.47
7.4.60.0050.01516.59
7.4.50.0030.00516.32
7.4.40.0090.00616.56
7.4.30.0060.01116.30
7.4.00.0070.00714.75
7.3.330.0000.00613.09
7.3.320.0070.00013.10
7.3.310.0000.00716.33
7.3.300.0040.00416.16
7.3.290.0070.00016.22
7.3.280.0070.01216.28
7.3.270.0150.00917.40
7.3.260.0250.00816.28
7.3.250.0110.00916.33
7.3.240.0110.00616.29
7.3.230.0050.01316.39
7.3.210.0060.01016.48
7.3.200.0110.00716.19
7.3.190.0050.01616.54
7.3.180.0060.00916.58
7.3.170.0120.00616.56
7.3.160.0140.00316.29
7.2.330.0150.00316.33
7.2.320.0130.00616.64
7.2.310.0000.01716.46
7.2.300.0150.00316.59
7.2.290.0060.01616.26
7.2.60.0120.00216.69
7.2.00.0000.00819.46
7.1.200.0040.00815.58
7.1.100.0070.00418.16
7.1.70.0090.00016.87
7.1.60.0070.01819.17
7.1.50.0290.00634.84
7.1.00.0030.07722.45
7.0.200.0030.00316.61
7.0.60.0070.03719.91
7.0.50.0100.07717.83
7.0.40.0100.07720.05
7.0.30.0230.05720.18
7.0.20.0330.07020.13
7.0.10.0100.08020.18
7.0.00.0170.07720.03
5.6.280.0030.07320.89
5.6.210.0170.07720.74
5.6.200.0100.07018.20
5.6.190.0030.08720.46
5.6.180.4130.03720.68
5.6.170.0330.03720.38
5.6.160.0070.06020.48
5.6.150.0030.07018.18
5.6.140.0030.05018.16
5.6.130.0070.04718.21
5.6.120.0130.07021.02
5.6.110.0030.05021.14
5.6.100.0130.08321.13
5.6.90.0030.06021.01
5.6.80.0070.05020.50
5.6.70.4230.03320.54
5.5.350.0000.04320.40
5.5.340.0000.04318.01
5.5.330.0100.06320.42
5.5.320.0400.06720.31
5.5.310.0270.07320.21
5.5.300.0070.08318.02
5.5.290.0070.07717.96
5.5.280.0000.05020.94
5.5.270.0130.07320.66
5.5.260.0070.07020.66
5.5.250.0030.07020.74
5.5.240.0330.07020.14
5.4.450.0970.04719.48
5.4.440.0870.06019.30
5.4.430.0830.05019.48
5.4.420.0830.06719.48
5.4.410.0700.05719.50
5.4.400.0930.05018.98
5.4.390.1000.04719.22
5.4.380.0870.05319.08
5.4.370.0930.05719.30
5.4.360.0770.06719.31
5.4.350.0770.06018.79
5.4.340.0970.05318.78
5.4.320.1000.05019.10
5.4.310.1070.05319.09
5.4.300.0870.05018.99
5.4.290.0870.05719.25
5.4.280.0970.04319.15
5.4.270.1000.04719.12
5.4.260.0970.05019.12
5.4.250.1030.05719.32
5.4.240.1000.06319.20
5.4.230.0930.05018.80
5.4.220.0870.06318.97
5.4.210.1030.05319.32
5.4.200.1130.04019.15
5.4.190.1100.06018.77
5.4.180.1000.05319.29
5.4.170.0870.04719.15
5.4.160.0870.03719.14
5.4.150.0830.06019.30
5.4.140.0700.05716.35
5.4.130.0730.05016.29
5.4.120.0730.04716.43
5.4.110.0670.05016.40
5.4.100.0700.05316.12
5.4.90.0730.05316.50
5.4.80.0670.05716.52
5.4.70.0200.06316.46
5.4.60.0230.03016.44
5.4.50.0030.05316.40
5.4.40.0230.04716.46
5.4.30.0070.06716.49
5.4.20.0300.06716.51

preferences:
56.31 ms | 401 KiB | 5 Q