3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(str_replace('a', 'b', 'a'));

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)
8.3.60.0070.01118.30
8.3.50.0110.01021.19
8.3.40.0150.00318.67
8.3.30.0090.00918.55
8.3.20.0000.00820.16
8.3.10.0040.00421.78
8.3.00.0080.00017.80
8.2.180.0120.00616.38
8.2.170.0150.00022.96
8.2.160.0080.00620.57
8.2.150.0050.00325.66
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0080.00017.35
8.2.110.0050.00520.52
8.2.100.0110.00317.50
8.2.90.0040.00419.18
8.2.80.0040.00417.97
8.2.70.0100.00317.25
8.2.60.0050.00317.90
8.2.50.0020.00918.07
8.2.40.0120.00019.46
8.2.30.0000.00720.55
8.2.20.0040.00417.53
8.2.10.0000.00717.98
8.2.00.0040.00417.93
8.1.280.0060.00925.92
8.1.270.0100.00021.88
8.1.260.0100.00026.35
8.1.250.0060.00328.09
8.1.240.0030.00620.96
8.1.230.0090.00317.42
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0040.00417.00
8.1.190.0030.00617.10
8.1.180.0070.00018.10
8.1.170.0080.00018.51
8.1.160.0000.00721.91
8.1.150.0040.00418.75
8.1.140.0050.00517.29
8.1.130.0050.00517.58
8.1.120.0040.00417.30
8.1.110.0030.00517.34
8.1.100.0070.00017.32
8.1.90.0030.00317.38
8.1.80.0030.00317.34
8.1.70.0030.00317.28
8.1.60.0000.00817.47
8.1.50.0040.00417.42
8.1.40.0040.00817.33
8.1.30.0050.00317.42
8.1.20.0080.00017.54
8.1.10.0000.00817.26
8.1.00.0040.00417.28
8.0.300.0040.00418.77
8.0.290.0000.00816.58
8.0.280.0000.00718.23
8.0.270.0000.00817.01
8.0.260.0030.00317.14
8.0.250.0000.00816.69
8.0.240.0070.00016.81
8.0.230.0070.00016.81
8.0.220.0070.00016.78
8.0.210.0030.00316.75
8.0.200.0030.00416.77
8.0.190.0000.00816.74
8.0.180.0040.00416.75
8.0.170.0050.00316.64
8.0.160.0050.00216.76
8.0.150.0000.00716.80
8.0.140.0040.00416.72
8.0.130.0000.00613.16
8.0.120.0070.00016.65
8.0.110.0000.00816.60
8.0.100.0030.00316.75
8.0.90.0040.00416.61
8.0.80.0030.01016.75
8.0.70.0000.00716.67
8.0.60.0070.00016.71
8.0.50.0070.00016.66
8.0.30.0120.00616.68
8.0.20.0150.00517.40
8.0.10.0000.00716.95
8.0.00.0070.01016.58
7.4.330.0030.00315.08
7.4.320.0060.00016.46
7.4.300.0000.00616.37
7.4.290.0030.00316.48
7.4.280.0060.00316.30
7.4.270.0070.00016.37
7.4.260.0030.00616.47
7.4.250.0000.00716.29
7.4.240.0040.00316.33
7.4.230.0070.00016.49
7.4.220.0060.01216.45
7.4.210.0000.01616.36
7.4.200.0000.00716.36
7.4.160.0120.00316.41
7.4.150.0130.00417.40
7.4.140.0160.00217.86
7.4.130.0150.00516.27
7.4.120.0130.00516.41
7.4.110.0030.01316.27
7.4.100.0150.00416.36
7.4.90.0060.01416.46
7.4.80.0110.00719.39
7.4.70.0030.01316.34
7.4.60.0090.01316.38
7.4.50.0080.00016.29
7.4.40.0190.00316.30
7.4.30.0080.00916.55
7.4.00.0030.01214.73
7.3.330.0000.00712.97
7.3.320.0000.00512.99
7.3.310.0040.00416.14
7.3.300.0030.00316.11
7.3.290.0060.00916.13
7.3.280.0110.00816.09
7.3.270.0130.00317.40
7.3.260.0120.00616.27
7.3.250.0120.00616.17
7.3.240.0140.01116.46
7.3.230.0070.01016.39
7.3.210.0030.01316.33
7.3.200.0060.01016.15
7.3.190.0080.00816.40
7.3.180.0150.00016.40
7.3.170.0090.01116.27
7.3.160.0060.01016.27
7.3.120.0060.01214.60
7.3.110.0100.00714.77
7.3.100.0060.01014.64
7.3.90.0070.00414.41
7.3.80.0040.00714.31
7.3.70.0070.00714.54
7.3.60.0080.00814.64
7.3.50.0030.00614.53
7.3.40.0070.00714.72
7.3.30.0080.00414.59
7.3.20.0090.00316.57
7.3.10.0040.01116.53
7.3.00.0040.01016.34
7.2.330.0100.00716.23
7.2.320.0130.00916.54
7.2.310.0070.01016.43
7.2.300.0060.00916.52
7.2.290.0110.00716.36
7.2.250.0000.01815.02
7.2.240.0100.01014.45
7.2.230.0070.00714.96
7.2.220.0090.00314.89
7.2.210.0140.00014.73
7.2.200.0030.00714.77
7.2.190.0030.01014.69
7.2.180.0000.01114.73
7.2.170.0130.00314.97
7.2.130.0100.00716.52
7.2.120.0040.00816.42
7.2.110.0060.00616.78
7.2.100.0030.01316.72
7.2.90.0070.01016.86
7.2.80.0030.00816.71
7.2.70.0040.00816.65
7.2.60.0030.01316.68
7.2.50.0120.00316.29
7.2.40.0000.01216.71
7.2.30.0100.00316.57
7.2.20.0060.00916.84
7.2.10.0030.00716.78
7.2.00.0070.00918.02
7.1.330.0080.00815.38
7.1.320.0030.01215.53
7.1.310.0080.00415.95
7.1.300.0000.00915.60
7.1.290.0060.00615.36
7.1.280.0070.00315.56
7.1.270.0070.01015.56
7.1.260.0090.00315.53
7.1.250.0030.00715.60
7.1.100.0110.00418.07
7.1.70.0030.00317.07
7.1.60.0070.01419.20
7.1.50.0040.01416.77
7.1.00.0030.07722.30
7.0.200.0070.00316.34
7.0.60.0070.08020.05
7.0.50.0070.07017.89
7.0.40.0100.05320.14
7.0.30.0230.03720.16
7.0.20.0330.07720.09
7.0.10.0100.08320.17
7.0.00.0030.08720.10
5.6.280.0000.03321.07
5.6.210.0000.08320.66
5.6.200.0030.07718.15
5.6.190.0070.04020.64
5.6.180.0270.05720.36
5.6.170.0200.05020.62
5.6.160.0030.05320.54
5.6.150.0030.03718.19
5.6.140.0030.08018.07
5.6.130.0070.07718.21
5.6.120.0170.04321.10
5.6.110.0030.04021.07
5.6.100.0130.07720.95
5.6.90.0000.05321.01
5.6.80.0070.04320.39
5.5.350.0170.06720.39
5.5.340.0070.06317.92
5.5.330.0070.05320.57
5.5.320.3800.04320.27
5.5.310.0500.06020.14
5.5.300.0130.06718.00
5.5.290.0070.05317.90
5.5.280.0070.06720.88
5.5.270.0000.07320.63
5.5.260.0070.05020.73
5.5.250.0170.07720.55
5.5.240.0070.07020.27
5.4.450.0600.06319.11
5.4.440.0570.06719.48
5.4.430.0730.07019.51
5.4.420.0630.05719.51
5.4.410.0500.06319.47
5.4.400.0600.05019.30
5.4.390.0570.05319.30
5.4.380.0700.05018.99
5.4.370.0630.05019.21
5.4.360.0700.04719.15
5.4.350.0670.05719.30
5.4.340.0600.05319.14
5.4.320.0630.06019.15
5.4.310.0670.06019.00
5.4.300.0670.05719.30
5.4.290.0730.05719.08
5.4.280.0930.05718.77
5.4.270.0730.05719.29
5.4.260.0700.06318.91
5.4.250.0670.05719.15
5.4.240.0630.07719.28
5.4.230.0700.05019.29
5.4.220.0630.05719.30
5.4.210.0470.06319.14
5.4.200.0630.04719.24
5.4.190.0700.05719.15
5.4.180.0630.05318.98
5.4.170.0700.04719.11
5.4.160.0670.05019.19
5.4.150.0600.06019.23
5.4.140.0800.05316.24
5.4.130.0600.05016.43
5.4.120.0530.05016.56
5.4.110.0630.04316.07
5.4.100.0630.04316.06
5.4.90.0530.07016.54
5.4.80.0700.06316.04
5.4.70.0300.06316.29
5.4.60.0000.04016.32
5.4.50.0000.07016.31
5.4.40.0330.04316.36
5.4.30.0300.04016.27
5.4.20.0070.03716.20

preferences:
60.7 ms | 401 KiB | 5 Q