3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo chr(112) . chr(97) . chr(115) . chr(115);

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)
8.3.40.0070.01018.71
8.3.30.0110.00318.95
8.3.20.0000.00820.21
8.3.10.0040.00422.13
8.3.00.0070.00022.43
8.2.170.0040.01622.96
8.2.160.0000.01319.07
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0090.00026.16
8.2.120.0040.00419.23
8.2.110.0100.00022.04
8.2.100.0000.01417.59
8.2.90.0040.00419.09
8.2.80.0060.00317.97
8.2.70.0060.00317.63
8.2.60.0000.00817.80
8.2.50.0030.00518.07
8.2.40.0040.00418.09
8.2.30.0040.00417.97
8.2.20.0070.00017.45
8.2.10.0000.00717.42
8.2.00.0000.00717.48
8.1.270.0030.00622.14
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00423.91
8.1.230.0040.00719.10
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0050.00317.28
8.1.180.0040.00418.50
8.1.170.0040.00418.65
8.1.160.0000.00722.00
8.1.150.0040.00418.49
8.1.140.0040.00417.31
8.1.130.0000.00717.75
8.1.120.0030.00517.39
8.1.110.0040.00417.30
8.1.100.0070.00017.31
8.1.90.0030.00317.27
8.1.80.0070.00017.35
8.1.70.0030.00317.20
8.1.60.0090.00017.38
8.1.50.0080.00017.30
8.1.40.0070.00017.36
8.1.30.0030.00617.42
8.1.20.0040.00417.50
8.1.10.0040.00417.27
8.1.00.0000.00717.38
8.0.300.0070.00018.77
8.0.290.0070.00017.04
8.0.280.0000.00718.36
8.0.270.0040.00417.09
8.0.260.0030.00316.75
8.0.250.0000.00716.86
8.0.240.0000.00716.71
8.0.230.0000.00716.83
8.0.220.0030.00316.78
8.0.210.0040.00416.71
8.0.200.0030.00316.77
8.0.190.0000.00716.81
8.0.180.0000.00716.69
8.0.170.0000.00716.77
8.0.160.0000.00716.81
8.0.150.0070.00016.61
8.0.140.0000.00716.72
8.0.130.0030.00313.19
8.0.120.0040.00416.62
8.0.110.0000.00816.75
8.0.100.0080.00016.79
8.0.90.0000.00716.59
8.0.80.0140.00616.73
8.0.70.0000.00716.61
8.0.60.0040.00416.64
8.0.50.0030.00516.69
8.0.30.0090.01117.08
8.0.20.0120.00717.40
8.0.10.0000.00716.94
8.0.00.0130.00416.78
7.4.330.0060.00015.00
7.4.320.0000.00616.37
7.4.300.0060.00016.46
7.4.290.0030.00316.36
7.4.280.0030.00316.25
7.4.270.0000.00816.42
7.4.260.0040.00416.46
7.4.250.0040.00416.36
7.4.240.0010.00616.47
7.4.230.0000.00616.27
7.4.220.0100.00716.42
7.4.210.0070.00816.53
7.4.200.0000.00716.48
7.4.190.0070.00016.26
7.4.160.0060.00916.23
7.4.150.0080.00817.40
7.4.140.0110.01017.86
7.4.130.0130.00616.48
7.4.120.0100.01016.51
7.4.110.0130.00616.47
7.4.100.0060.01016.40
7.4.90.0050.01116.23
7.4.80.0130.01019.39
7.4.70.0130.00316.23
7.4.60.0040.01416.31
7.4.50.0040.00416.38
7.4.40.0090.00622.77
7.4.30.0080.00816.45
7.4.00.0060.00914.69
7.3.330.0000.00512.89
7.3.320.0000.00512.96
7.3.310.0000.00716.21
7.3.300.0070.00016.14
7.3.290.0090.00616.16
7.3.280.0090.00616.14
7.3.270.0120.00417.40
7.3.260.0190.00416.35
7.3.250.0080.00816.21
7.3.240.0130.00316.44
7.3.230.0030.01416.50
7.3.210.0070.01016.21
7.3.200.0060.01316.52
7.3.190.0100.01316.29
7.3.180.0100.01016.36
7.3.170.0150.00616.27
7.3.160.0090.00616.26
7.3.120.0100.00314.66
7.3.110.0030.01414.80
7.3.100.0040.01214.70
7.3.90.0100.00014.62
7.3.80.0100.00314.71
7.3.70.0030.01014.76
7.3.60.0000.01014.52
7.3.50.0090.00614.68
7.3.40.0030.01314.77
7.3.30.0100.00714.45
7.3.20.0040.01116.68
7.3.10.0040.00716.39
7.3.00.0110.00316.73
7.2.330.0140.00316.23
7.2.320.0060.01216.54
7.2.310.0100.00716.60
7.2.300.0070.01016.39
7.2.290.0130.00316.59
7.2.240.0090.00614.79
7.2.230.0060.00614.95
7.2.220.0070.00715.08
7.2.210.0000.00914.82
7.2.200.0060.00615.04
7.2.190.0070.01014.96
7.2.180.0060.01014.90
7.2.170.0000.01514.96
7.2.160.0060.00914.90
7.2.150.0030.01316.99
7.2.140.0080.00416.35
7.2.130.0110.00416.55
7.2.120.0030.00516.58
7.2.110.0030.01316.73
7.2.100.0090.00616.84
7.2.90.0070.00716.49
7.2.80.0060.00616.98
7.2.70.0070.00716.92
7.2.60.0080.00816.29
7.2.50.0040.00416.88
7.2.40.0080.00616.91
7.2.30.0070.01016.69
7.2.20.0040.00816.86
7.2.10.0100.00316.75
7.2.00.0060.00618.01
7.1.330.0030.01515.70
7.1.320.0000.01315.88
7.1.310.0030.01015.97
7.1.300.0130.00015.67
7.1.290.0070.00315.43
7.1.280.0020.01215.82
7.1.270.0030.00715.61
7.1.260.0070.00715.59
7.1.250.0100.00315.60
7.1.200.0030.00715.50
7.1.100.0200.00715.93
7.1.70.0040.00416.75
7.1.60.0070.01719.82
7.1.50.0140.01016.86
7.1.00.0030.03322.32
7.0.200.0030.00616.82
7.0.140.0000.07022.00
7.0.60.0070.08019.92
7.0.50.0030.06017.86
7.0.40.0170.08020.12
7.0.30.0230.03720.13
7.0.20.0330.08020.00
7.0.10.0130.06320.10
7.0.00.0100.04720.20
5.6.280.0000.07721.11
5.6.210.0200.07020.60
5.6.200.0000.08718.18
5.6.190.0130.07720.56
5.6.180.4630.03720.39
5.6.170.0300.07320.41
5.6.160.0400.03320.61
5.6.150.0070.07318.09
5.6.140.0100.03318.20
5.6.130.0030.05318.09
5.6.120.0200.05321.05
5.6.110.0100.08320.99
5.6.100.0070.08721.02
5.6.90.0070.06720.96
5.6.80.0070.03320.37
5.6.70.4330.03720.36
5.5.350.0000.08320.40
5.5.340.0200.06718.02
5.5.330.0200.04020.16
5.5.320.0370.05720.50
5.5.310.0330.07020.33
5.5.300.0000.04717.91
5.5.290.0030.07017.98
5.5.280.0030.08020.73
5.5.270.0000.09020.88
5.5.260.0030.08720.83
5.5.250.0130.06320.79
5.5.240.0100.02320.31
5.4.450.0230.06719.48
5.4.440.0970.06019.61
5.4.430.0070.06019.27
5.4.420.0930.05719.61
5.4.410.0370.07019.00
5.4.400.1030.05018.92
5.4.390.0770.05719.13
5.4.380.0230.05718.65
5.4.370.0370.04018.72
5.4.360.0230.03718.64
5.4.350.0050.03711.97
5.4.340.0050.03711.96
5.4.320.0050.05012.45
5.4.310.0040.04912.45
5.4.300.0070.04512.45
5.4.290.0050.05012.45
5.4.280.0070.03512.34
5.4.270.0040.04712.35
5.4.260.0170.04718.67
5.4.250.0030.06018.89
5.4.240.0130.05018.89
5.4.230.0130.06018.89
5.4.220.0030.08019.02
5.4.210.0030.05718.89
5.4.200.0130.06718.94
5.4.190.0070.06018.94
5.4.180.0070.05318.74
5.4.170.0070.05319.03
5.4.160.0070.05318.72
5.4.150.0200.07318.64
5.4.140.0130.04716.21
5.4.130.0070.05016.24
5.4.120.0130.05016.23
5.4.110.0070.07716.39
5.4.100.0070.05016.45
5.4.90.0130.06016.59
5.4.80.0100.04716.41
5.4.70.0100.05016.41
5.4.60.0130.04316.48
5.4.50.0070.05016.26
5.4.40.0070.05316.43
5.4.30.0100.06016.18
5.4.20.0100.05016.21
5.4.10.0070.05316.20
5.4.00.0070.05015.85
5.3.290.0070.04712.80
5.3.280.0130.04714.60
5.3.270.0100.07314.44
5.3.260.0070.07714.75
5.3.250.0100.07714.59
5.3.240.0070.07714.44
5.3.230.0070.05714.46
5.3.220.0070.06014.71
5.3.210.0100.06314.43
5.3.200.0070.06714.65
5.3.190.0200.06714.60
5.3.180.0170.07314.48
5.3.170.0100.05014.57
5.3.160.0200.05314.72
5.3.150.0130.07014.71
5.3.140.0170.06014.64
5.3.130.0030.05714.41
5.3.120.0130.05314.59
5.3.110.0070.05314.41
5.3.100.0100.05013.89
5.3.90.0170.04014.16
5.3.80.0030.05014.03
5.3.70.0070.05014.06
5.3.60.0130.06314.03
5.3.50.0100.05313.96
5.3.40.0030.05713.96
5.3.30.0000.05313.82
5.3.20.0070.06713.57
5.3.10.0100.05713.51
5.3.00.0070.05013.78
5.2.170.0070.05011.14
5.2.160.0070.04310.90
5.2.150.0170.04311.03
5.2.140.0100.04711.07
5.2.130.0170.03310.93
5.2.120.0100.04011.12
5.2.110.0070.04311.02
5.2.100.0130.05011.04
5.2.90.0100.04310.85
5.2.80.0000.05311.10
5.2.70.0000.05011.02
5.2.60.0070.04710.98
5.2.50.0030.05011.03
5.2.40.0100.05010.82
5.2.30.0130.05310.90
5.2.20.0070.04710.85
5.2.10.0100.03310.83
5.2.00.0070.04710.56
5.1.60.0070.04310.07
5.1.50.0170.03010.14
5.1.40.0000.05310.21
5.1.30.0030.04310.32
5.1.20.0100.03310.27
5.1.10.0070.04310.12
5.1.00.0070.05010.15
5.0.50.0070.0278.60
5.0.40.0000.0308.17
5.0.30.0070.0408.14
5.0.20.0030.0278.15
5.0.10.0000.0308.16
5.0.00.0030.0408.06
4.4.90.0070.0237.26
4.4.80.0030.0207.26
4.4.70.0070.0207.26
4.4.60.0100.0137.26
4.4.50.0000.0237.26
4.4.40.0070.0307.26
4.4.30.0070.0237.26
4.4.20.0070.0307.26
4.4.10.0130.0137.26
4.4.00.0030.0407.26
4.3.110.0030.0237.26
4.3.100.0070.0237.26
4.3.90.0030.0277.26
4.3.80.0030.0307.26
4.3.70.0030.0207.26
4.3.60.0000.0207.26
4.3.50.0130.0137.26
4.3.40.0000.0477.26
4.3.30.0030.0237.26
4.3.20.0100.0237.26
4.3.10.0030.0237.26
4.3.00.0000.0237.02

preferences:
40.9 ms | 400 KiB | 5 Q