3v4l.org

run code in 300+ PHP versions simultaneously
<?php $n = -65; printf("%d is 0x%x\n",$n,$n); $hex = sprintf("%x",$n); var_dump($hex + 0); printf("\n%d\n",$hex + 0); $x = "0x".$hex; echo $x+0;

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)
8.3.60.0070.01418.55
8.3.50.0070.01422.82
8.3.40.0070.00718.93
8.3.30.0140.00018.54
8.3.20.0040.00420.31
8.3.10.0090.00018.85
8.3.00.0090.00020.51
8.2.180.0110.00416.75
8.2.170.0100.01322.96
8.2.160.0100.00321.96
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0030.00718.84
8.2.120.0040.00426.35
8.2.110.0060.00321.04
8.2.100.0040.00818.04
8.2.90.0000.00819.09
8.2.80.0050.00317.97
8.2.70.0000.00817.75
8.2.60.0050.00317.80
8.2.50.0030.00618.09
8.2.40.0030.00520.55
8.2.30.0000.01019.34
8.2.20.0040.00417.55
8.2.10.0030.00518.05
8.2.00.0080.00017.93
8.1.280.0070.01425.92
8.1.270.0050.00223.84
8.1.260.0000.00828.09
8.1.250.0070.00028.09
8.1.240.0070.00717.35
8.1.230.0000.01017.76
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0040.00417.35
8.1.180.0000.00818.10
8.1.170.0000.00918.46
8.1.160.0040.00420.69
8.1.150.0040.00418.86
8.1.140.0080.00019.41
8.1.130.0070.00317.60
8.1.120.0040.00417.44
8.1.110.0040.00417.39
8.1.100.0040.00417.36
8.1.90.0040.00417.42
8.1.80.0040.00417.46
8.1.70.0070.00017.28
8.1.60.0080.00417.59
8.1.50.0000.00817.55
8.1.40.0000.00817.40
8.1.30.0040.00417.66
8.1.20.0040.00417.56
8.1.10.0070.00017.55
8.1.00.0000.00717.36
8.0.300.0030.00618.77
8.0.290.0070.00016.75
8.0.280.0000.00718.31
8.0.270.0000.00817.23
8.0.260.0030.00317.18
8.0.250.0030.00316.93
8.0.240.0000.00716.92
8.0.230.0000.00716.86
8.0.220.0070.00016.80
8.0.210.0050.00316.78
8.0.200.0040.00416.99
8.0.190.0000.00716.96
8.0.180.0070.00316.89
8.0.170.0040.00416.81
8.0.160.0000.00716.84
8.0.150.0050.00316.72
8.0.140.0070.00016.75
8.0.130.0050.00013.29
8.0.120.0050.00316.83
8.0.110.0040.00416.86
8.0.100.0070.00016.79
8.0.90.0070.00016.86
8.0.80.0090.00616.90
8.0.70.0040.00416.79
8.0.60.0040.00416.93
8.0.50.0040.00416.83
8.0.30.0110.00416.91
8.0.20.0130.00817.40
8.0.10.0040.00416.86
8.0.00.0080.00916.91
7.4.330.0000.00516.83
7.4.320.0030.00316.55
7.4.300.0040.00416.28
7.4.290.0030.00316.54
7.4.280.0110.00016.55
7.4.270.0000.00716.52
7.4.260.0040.00416.44
7.4.250.0070.00016.36
7.4.240.0030.00316.44
7.4.230.0070.00016.34
7.4.220.0090.00916.33
7.4.210.0040.01116.44
7.4.200.0050.00216.50
7.4.160.0080.00816.53
7.4.150.0070.01017.40
7.4.140.0110.01017.86
7.4.130.0110.00716.37
7.4.120.0070.01216.39
7.4.110.0100.00716.39
7.4.100.0090.00916.49
7.4.90.0040.01316.23
7.4.80.0140.00319.39
7.4.70.0060.01116.46
7.4.60.0040.01416.49
7.4.50.0090.00316.20
7.4.40.0110.00716.36
7.4.30.0130.00316.66
7.4.00.0100.00714.93
7.3.330.0050.00013.11
7.3.320.0030.00313.20
7.3.310.0000.00716.09
7.3.300.0030.00316.20
7.3.290.0070.00016.25
7.3.280.0080.01016.27
7.3.270.0110.00517.40
7.3.260.0030.01916.40
7.3.250.0070.01116.41
7.3.240.0130.00716.50
7.3.230.0130.00416.39
7.3.210.0120.01216.45
7.3.200.0180.00316.18
7.3.190.0100.00616.34
7.3.180.0050.01116.40
7.3.170.0060.01216.42
7.3.160.0140.00416.57
7.2.330.0030.01616.75
7.2.320.0160.00316.74
7.2.310.0080.01716.79
7.2.300.0080.01616.43
7.2.290.0120.01016.61
7.2.80.0030.01016.56
7.2.60.0030.01016.99
7.2.50.0090.00616.95
7.1.200.0030.00615.63
7.1.70.0030.00717.04
7.1.60.0070.01719.19
7.1.50.0030.02016.93
7.1.00.0030.07322.46
7.0.200.0090.00616.87
7.0.60.0270.07721.83
7.0.50.0070.03717.81
7.0.40.0030.05320.03
7.0.30.0300.07020.18
7.0.20.0370.07320.09
7.0.10.0170.05020.30
7.0.00.0130.05320.00
5.6.280.0030.07320.85
5.6.210.0070.08320.50
5.6.200.0030.04718.12
5.6.190.0070.04320.59
5.6.180.0300.05320.29
5.6.170.0270.06320.50
5.6.160.0100.08320.54
5.6.150.0170.03318.11
5.6.140.0070.03718.07
5.6.130.0130.07718.19
5.6.120.0030.06721.11
5.6.110.0130.05021.00
5.6.100.0170.07720.88
5.6.90.0070.03720.94
5.6.80.0030.08320.32
5.5.350.0200.04320.32
5.5.340.0030.06317.91
5.5.330.0030.06720.37
5.5.320.0270.05320.32
5.5.310.0270.05020.26
5.5.300.0070.08317.91
5.5.290.0100.03317.85
5.5.280.0130.04720.84
5.5.270.0070.07720.66
5.5.260.0100.08020.72
5.5.250.0130.04020.70
5.5.240.0200.07320.14

preferences:
57.85 ms | 401 KiB | 5 Q