3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s="aaaaaa"; $q="str_replace"; $g = ""; echo strlen($g); /* $g = ""; while (strlen($g)<strlen($s)) { echo "aaa"; //$q = pack("H*",md5($g.$q."q1w2e3r4")); $g.=substr($q,0,8); } */ //echo $s^$g;

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)
8.3.40.0070.00718.54
8.3.30.0040.01818.84
8.3.20.0150.00320.01
8.3.10.0150.00023.51
8.3.00.0040.01120.90
8.2.170.0110.00422.96
8.2.160.0120.00620.44
8.2.150.0160.00724.18
8.2.140.0070.01424.66
8.2.130.0100.00726.16
8.2.120.0040.00420.88
8.2.110.0070.01322.13
8.2.100.0040.00817.91
8.2.90.0020.00519.26
8.2.80.0060.00317.97
8.2.70.0090.00017.63
8.2.60.0050.00317.78
8.2.50.0040.00418.07
8.2.40.0040.00421.13
8.2.30.0000.00818.29
8.2.20.0000.00717.55
8.2.10.0000.00817.96
8.2.00.0040.00417.52
8.1.270.0030.00723.77
8.1.260.0200.00026.35
8.1.250.0050.00328.09
8.1.240.0170.00322.19
8.1.230.0040.00818.96
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0040.00817.23
8.1.190.0000.00817.35
8.1.180.0000.00818.10
8.1.170.0030.00618.35
8.1.160.0030.00521.93
8.1.150.0040.00418.54
8.1.140.0040.00417.37
8.1.130.0070.00017.80
8.1.120.0050.00217.38
8.1.110.0040.00417.37
8.1.100.0000.00717.37
8.1.90.0030.00317.38
8.1.80.0000.00717.36
8.1.70.0040.00417.34
8.1.60.0000.00817.51
8.1.50.0060.00317.50
8.1.40.0040.00417.44
8.1.30.0000.00817.47
8.1.20.0000.00717.48
8.1.10.0040.00417.47
8.1.00.0030.00517.37
8.0.300.0040.00418.77
8.0.290.0040.00417.17
8.0.280.0000.00718.44
8.0.270.0030.00317.28
8.0.260.0040.00417.24
8.0.250.0000.00716.79
8.0.240.0030.00316.96
8.0.230.0000.00716.77
8.0.220.0000.00716.89
8.0.210.0030.00316.64
8.0.200.0030.00316.85
8.0.190.0050.00316.81
8.0.180.0040.00416.82
8.0.170.0040.00416.85
8.0.160.0030.00316.79
8.0.150.0030.00316.64
8.0.140.0040.00416.81
8.0.130.0030.00313.17
8.0.120.0030.00516.68
8.0.110.0000.00716.84
8.0.100.0080.00016.70
8.0.90.0000.00816.65
8.0.80.0100.00716.73
8.0.70.0000.00716.69
8.0.60.0030.00316.63
8.0.50.0040.00416.64
8.0.30.0100.00816.98
8.0.20.0100.01017.40
8.0.10.0040.00416.87
8.0.00.0130.00716.69
7.4.330.0000.00515.04
7.4.320.0060.00016.45
7.4.300.0040.00416.33
7.4.290.0030.00316.41
7.4.280.0040.00416.39
7.4.270.0030.00316.42
7.4.260.0000.00716.40
7.4.250.0070.00016.51
7.4.240.0030.00516.40
7.4.230.0050.00216.45
7.4.220.0150.01116.36
7.4.210.0130.00716.46
7.4.200.0040.00416.49
7.4.190.0070.00016.41
7.4.160.0060.01016.43
7.4.150.0180.00417.40
7.4.140.0090.01217.86
7.4.130.0080.01316.42
7.4.120.0090.00916.38
7.4.110.0080.01116.49
7.4.100.0060.01316.50
7.4.90.0170.00016.33
7.4.80.0110.00719.39
7.4.70.0120.00516.52
7.4.60.0030.01316.63
7.4.50.0000.00416.63
7.4.40.0180.00416.49
7.4.30.0130.00716.41
7.4.00.0050.01114.80
7.3.330.0000.00613.08
7.3.320.0000.00513.02
7.3.310.0040.00416.15
7.3.300.0030.00316.21
7.3.290.0100.00616.18
7.3.280.0090.00816.20
7.3.270.0090.00617.40
7.3.260.0060.01216.17
7.3.250.0110.00616.43
7.3.240.0120.00616.21
7.3.230.0080.00816.42
7.3.210.0110.00616.43
7.3.200.0070.01019.39
7.3.190.0080.00816.36
7.3.180.0100.00616.47
7.3.170.0060.00916.27
7.3.160.0040.01116.23
7.3.120.0050.00914.88
7.3.110.0020.01014.89
7.3.100.0110.00814.75
7.3.90.0090.00614.87
7.3.80.0070.00714.64
7.3.70.0030.01014.58
7.3.60.0090.00614.77
7.3.50.0040.00414.46
7.3.40.0080.00814.74
7.3.30.0030.01014.61
7.3.20.0030.01316.35
7.3.10.0060.00816.67
7.3.00.0090.00016.62
7.2.330.0170.00016.66
7.2.320.0090.01216.55
7.2.310.0070.01316.39
7.2.300.0030.01616.34
7.2.290.0130.00616.38
7.2.250.0100.01014.98
7.2.240.0090.00915.12
7.2.230.0070.01014.79
7.2.220.0070.01114.79
7.2.210.0090.00614.94
7.2.200.0030.00615.08
7.2.190.0040.00814.98
7.2.180.0030.00914.89
7.2.170.0130.00014.88
7.2.00.0030.01219.27
7.1.330.0100.00315.67
7.1.320.0040.01115.98
7.1.310.0080.00615.53
7.1.300.0100.00315.64
7.1.290.0110.00415.25
7.1.280.0000.01415.64
7.1.270.0110.00315.75
7.1.260.0000.00915.60
7.1.100.0070.00418.06
7.1.70.0080.00517.12
7.1.60.0130.01019.70
7.1.50.0190.01934.76
7.1.00.0070.07322.30
7.0.200.0030.00316.55
7.0.140.0030.07322.00
7.0.110.0630.07719.98
7.0.100.0700.06719.96
7.0.90.0500.04320.05
7.0.80.0470.05319.92
7.0.70.0500.09019.84
7.0.60.0370.09020.00
7.0.50.0530.08020.36
7.0.40.0070.05320.05
7.0.30.0170.04320.16
7.0.20.0030.09020.09
7.0.10.0100.08019.93
7.0.00.0000.06020.26
5.6.280.0000.07720.85
5.6.260.0070.08020.65
5.6.250.0200.07020.57
5.6.240.0100.08320.47
5.6.230.0130.07720.68
5.6.220.0030.06320.67
5.6.210.0030.08020.39
5.6.200.0070.08021.12
5.6.190.0130.08021.13
5.6.180.0100.04721.18
5.6.170.0130.07021.14
5.6.160.0070.07720.89
5.6.150.0170.07021.14
5.6.140.0070.07021.11
5.6.130.0170.07721.00
5.6.120.0130.06721.04
5.6.110.0130.07721.10
5.6.100.0030.08321.27
5.6.90.0170.06721.09
5.6.80.0130.07320.59
5.6.70.0030.08020.45
5.6.60.0000.08720.55
5.6.50.0100.07720.30
5.6.40.0100.08020.46
5.6.30.0030.07320.31
5.6.20.0100.08020.29
5.6.10.0130.07320.63
5.6.00.0130.06720.36
5.5.380.0070.08020.32
5.5.370.0000.05720.46
5.5.360.0130.07320.45
5.5.350.0070.04020.45
5.5.340.0130.07320.79
5.5.330.0000.07720.70
5.5.320.0130.07321.03
5.5.310.0030.08320.96
5.5.300.0000.07321.01
5.5.290.0170.07320.88
5.5.280.0100.08020.88
5.5.270.0170.07020.85
5.5.260.0070.04320.76
5.5.250.0070.07320.54
5.5.240.0200.06720.28
5.5.230.0130.07720.38
5.5.220.0070.07720.40
5.5.210.0070.07720.36
5.5.200.0170.06720.36
5.5.190.0070.07320.16
5.5.180.0070.08020.14
5.5.160.0100.07720.31
5.5.150.0000.08320.32
5.5.140.0170.06720.24
5.5.130.0030.08020.15
5.5.120.0100.08020.04
5.5.110.0170.05320.37
5.5.100.0070.07320.05
5.5.90.0170.06320.07
5.5.80.0130.07320.27
5.5.70.0130.07320.04
5.5.60.0030.08020.00
5.5.50.0030.07319.96
5.5.40.0100.07320.19
5.5.30.0070.07320.11
5.5.20.0100.04320.02
5.5.10.0100.06319.91
5.5.00.0130.06320.16
5.4.450.0100.07019.36
5.4.440.0070.08019.25
5.4.430.0100.07019.27
5.4.420.0070.08019.27
5.4.410.0130.06719.20
5.4.400.0130.07018.98
5.4.390.0170.06019.27
5.4.380.0030.07319.10
5.4.370.0030.08018.95
5.4.360.0000.05018.95
5.4.350.0100.07319.00
5.4.340.0070.07018.99
5.4.320.0030.06719.10
5.4.310.0130.07319.17
5.4.300.0030.06719.02
5.4.290.0070.07718.92
5.4.280.0070.07319.16
5.4.270.0070.07019.02
5.4.260.0070.08319.16
5.4.250.0070.07719.16
5.4.240.0130.06319.11
5.4.230.0100.06719.11
5.4.220.0130.06718.92
5.4.210.0130.07319.00
5.4.200.0070.03719.27
5.4.190.0100.07018.93
5.4.180.0070.07019.11
5.4.170.0030.07719.17
5.4.160.0030.07719.25
5.4.150.0030.04019.08
5.4.140.0000.04316.58
5.4.130.0030.03716.25
5.4.120.0030.04716.22
5.4.110.0000.04016.54
5.4.100.0000.06316.23
5.4.90.0030.03716.50
5.4.80.0000.05316.47
5.4.70.0030.03716.41
5.4.60.0070.03016.21
5.4.50.0030.03316.20
5.4.40.0070.03316.43
5.4.30.0070.04016.34
5.4.20.0030.04016.32
5.4.10.0000.05016.47
5.4.00.0000.03715.70
5.3.290.0130.07314.73
5.3.280.0000.05014.44
5.3.270.0070.07314.62
5.3.260.0000.08314.61
5.3.250.0070.08014.49
5.3.240.0100.04714.61
5.3.230.0030.05014.69
5.3.220.0100.04014.57
5.3.210.0070.05014.51
5.3.200.0030.03714.66
5.3.190.0070.03314.45
5.3.180.0000.03714.46
5.3.170.0070.03714.44
5.3.160.0070.03314.57
5.3.150.0000.06714.59
5.3.140.0070.04014.42
5.3.130.0030.03714.46
5.3.120.0070.03314.38
5.3.110.0070.06014.62
5.3.100.0070.03313.87
5.3.90.0030.03713.91
5.3.80.0000.04313.95
5.3.70.0100.06014.08
5.3.60.0070.03013.92
5.3.50.0030.03713.88
5.3.40.0030.03313.88
5.3.30.0000.04713.73
5.3.20.0030.05013.57
5.3.10.0070.03013.48
5.3.00.0100.02713.42
5.2.170.0070.03312.07
5.2.160.0000.03312.07
5.2.150.0030.05312.07
5.2.140.0030.04312.07
5.2.130.0030.02712.07
5.2.120.0030.05012.07
5.2.110.0070.02312.07
5.2.100.0030.03312.07
5.2.90.0030.02712.07
5.2.80.0100.02312.07
5.2.70.0000.04012.07
5.2.60.0100.04012.07
5.2.50.0000.03012.07
5.2.40.0000.03012.07
5.2.30.0000.03312.07
5.2.20.0070.03012.07
5.2.10.0070.02712.07
5.2.00.0070.02312.07
5.1.60.0000.02712.07
5.1.50.0070.01712.07
5.1.40.0000.03712.07
5.1.30.0000.02712.07
5.1.20.0000.02712.07
5.1.10.0070.05012.07
5.1.00.0000.02712.07
5.0.50.0000.02012.07
5.0.40.0030.02012.07
5.0.30.0000.03012.07
5.0.20.0030.02012.07
5.0.10.0030.01712.07
5.0.00.0030.04012.07
4.4.90.0000.01312.07
4.4.80.0070.01012.07
4.4.70.0030.02712.07
4.4.60.0000.02012.07
4.4.50.0000.01312.07
4.4.40.0030.02312.07
4.4.30.0000.02312.07
4.4.20.0000.02712.07
4.4.10.0070.01012.07
4.4.00.0000.02712.07
4.3.110.0070.01012.07
4.3.100.0000.01712.07
4.3.90.0000.01712.07
4.3.80.0000.02312.07
4.3.70.0000.01312.07
4.3.60.0030.02312.07
4.3.50.0000.01712.07
4.3.40.0000.02312.07
4.3.30.0000.01712.07
4.3.20.0000.02712.07
4.3.10.0000.01312.07
4.3.00.0000.01312.07

preferences:
44.77 ms | 400 KiB | 5 Q