3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump("a" - "b"); var_dump("2a" - "b"); var_dump("a" - "1b"); var_dump("2a" - "1b");

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)
8.3.60.0040.01418.45
8.3.50.0120.00616.51
8.3.40.0040.01118.67
8.3.30.0160.00618.71
8.3.20.0040.00420.21
8.3.10.0080.00023.64
8.3.00.0040.00422.32
8.2.180.0190.00316.75
8.2.170.0100.00322.96
8.2.160.0070.01020.35
8.2.150.0050.00324.18
8.2.140.0000.00724.66
8.2.130.0000.00826.16
8.2.120.0040.00417.63
8.2.110.0070.00320.46
8.2.100.0000.01217.72
8.2.90.0000.00719.22
8.2.80.0000.00817.97
8.2.70.0030.00617.38
8.2.60.0000.00817.78
8.2.50.0060.00318.07
8.2.40.0050.00321.09
8.2.30.0070.00018.07
8.2.20.0090.00017.64
8.2.10.0000.00817.90
8.2.00.0050.00217.98
8.1.280.0070.01425.92
8.1.270.0040.00420.38
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0060.00321.95
8.1.230.0070.00420.97
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0060.00317.22
8.1.180.0050.00318.10
8.1.170.0030.00618.46
8.1.160.0040.00421.91
8.1.150.0050.00318.77
8.1.140.0080.00017.23
8.1.130.0050.00217.57
8.1.120.0050.00317.27
8.1.110.0000.00817.16
8.1.100.0050.00217.26
8.1.90.0040.00417.25
8.1.80.0020.00517.38
8.1.70.0000.00917.37
8.1.60.0030.00517.34
8.1.50.0040.00417.46
8.1.40.0050.00317.46
8.1.30.0030.00617.58
8.1.20.0040.00417.62
8.1.10.0000.00717.57
8.1.00.0000.00717.49
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.35
8.0.270.0030.00317.20
8.0.260.0030.00317.11
8.0.250.0000.00816.96
8.0.240.0000.00616.82
8.0.230.0000.00716.88
8.0.220.0000.00716.93
8.0.210.0040.00416.88
8.0.200.0030.00516.96
8.0.190.0080.00316.80
8.0.180.0040.00316.89
8.0.170.0040.00416.82
8.0.160.0030.00516.94
8.0.150.0030.00316.88
8.0.140.0040.00716.75
8.0.130.0030.00313.28
8.0.120.0030.00516.70
8.0.110.0040.00416.84
8.0.100.0000.00716.84
8.0.90.0040.00416.76
8.0.80.0060.00916.86
8.0.70.0000.00716.84
8.0.60.0000.00716.93
8.0.50.0070.00016.86
8.0.30.0090.01116.98
8.0.20.0100.00817.40
8.0.10.0040.00416.84
8.0.00.0090.00916.71
7.4.330.0000.00515.08
7.4.320.0070.00016.49
7.4.300.0000.00616.38
7.4.290.0070.00016.27
7.4.280.0050.00316.36
7.4.270.0030.00316.37
7.4.260.0040.00416.49
7.4.250.0050.00216.41
7.4.240.0070.00016.40
7.4.230.0000.00916.26
7.4.220.0030.01516.41
7.4.210.0060.00916.51
7.4.200.0000.00716.46
7.4.160.0150.00616.30
7.4.150.0150.00317.40
7.4.140.0110.00717.86
7.4.130.0130.00816.53
7.4.120.0090.00816.36
7.4.110.0090.01316.37
7.4.100.0090.00916.18
7.4.90.0070.01016.11
7.4.80.0070.01319.39
7.4.70.0160.00016.39
7.4.60.0060.00916.26
7.4.50.0000.00816.09
7.4.40.0100.00716.36
7.4.30.0130.00316.54
7.4.00.0040.01114.54
7.3.330.0030.00313.18
7.3.320.0000.00612.99
7.3.310.0050.00216.24
7.3.300.0030.00316.09
7.3.290.0000.00716.04
7.3.280.0100.01016.16
7.3.270.0180.00617.40
7.3.260.0180.00716.19
7.3.250.0100.01016.30
7.3.240.0060.01616.23
7.3.230.0120.00616.39
7.3.210.0080.00816.34
7.3.200.0180.00019.39
7.3.190.0000.01516.16
7.3.180.0130.00316.32
7.3.170.0190.00316.27
7.3.160.0110.00716.34
7.2.330.0120.00616.21
7.2.320.0090.00916.43
7.2.310.0080.00816.41
7.2.300.0080.00916.61
7.2.290.0110.00616.41
7.2.110.0230.00416.65
7.2.100.0130.00916.62
7.2.90.0130.01316.53
7.2.80.0140.01416.69
7.2.70.0240.00816.71
7.2.60.0110.00916.59
7.2.50.0250.00716.59
7.2.40.0260.01316.78
7.2.30.0120.01816.84
7.2.20.0370.00916.53
7.2.10.0250.00316.70
7.2.00.0170.00717.75
7.1.230.0120.00915.67
7.1.220.0180.00515.76
7.1.210.0230.00315.65
7.1.200.0110.00815.77
7.1.190.0170.01015.74
7.1.180.0220.00515.72
7.1.170.2250.01015.43
7.1.160.0310.00015.53
7.1.150.0240.00915.29
7.1.140.0460.00015.46
7.1.130.0340.00515.70
7.1.120.0390.00315.54
7.1.110.0280.00915.64
7.1.100.0140.01016.87
7.1.90.0130.01315.50
7.1.80.0180.00915.48
7.1.70.0100.00616.37
7.1.60.0160.01217.90
7.1.50.0080.01316.33
7.1.40.0210.01015.84
7.1.30.0300.00315.97
7.1.20.0170.01715.79
7.1.10.0170.01015.76
7.1.00.0100.04319.08
7.0.310.0110.01515.40
7.0.300.0210.00015.30
7.0.290.0200.00914.79
7.0.280.0210.00515.05
7.0.270.0280.00815.30
7.0.260.0310.00614.88
7.0.250.0340.00915.30
7.0.240.0290.01315.19
7.0.230.0120.01415.11
7.0.220.0140.00815.03
7.0.210.0200.00715.02
7.0.200.0270.00614.95
7.0.190.0150.01015.30
7.0.180.0130.01315.22
7.0.170.0130.01315.29
7.0.160.0220.00315.30
7.0.150.0130.01315.27
7.0.140.0200.00715.06
7.0.130.0160.00915.43
7.0.120.0210.00615.16
7.0.110.0120.01515.23
7.0.100.0230.00015.22
7.0.90.0120.01215.17
7.0.80.0140.01015.33
7.0.70.0180.00515.25
7.0.60.0140.04717.43
7.0.50.0090.03016.57
7.0.40.0080.02716.69
7.0.30.0300.04216.78
7.0.20.0210.04416.56
7.0.10.0130.04716.71
7.0.00.0150.03516.74
5.6.380.0140.00614.31
5.6.370.0170.00714.07
5.6.360.0240.00313.98
5.6.350.0150.00614.25
5.6.340.0220.00814.27
5.6.330.0380.00713.95
5.6.320.0220.01314.29
5.6.310.0220.00713.96
5.6.300.0150.01114.49
5.6.290.0200.00614.38
5.6.280.0100.03917.72
5.6.270.0150.00614.46
5.6.260.0170.00813.80
5.6.250.0150.01214.26
5.6.240.0150.01114.14
5.6.230.0150.00914.28
5.6.220.0140.00714.01
5.6.210.0160.03917.49
5.6.200.0080.02716.04
5.6.190.0120.02217.16
5.6.180.0100.03017.35
5.6.170.0260.04317.38
5.6.160.0100.04917.26
5.6.150.0130.04216.06
5.6.140.0120.03116.13
5.6.130.0110.04616.21
5.6.120.0140.03017.61
5.6.110.0110.03617.57
5.6.100.0110.04617.47
5.6.90.0160.04317.46
5.6.80.0080.03217.22
5.6.70.2480.02517.21
5.6.60.0090.00913.97
5.6.50.0140.00514.04
5.6.40.0160.00413.91
5.6.30.0070.01114.30
5.6.20.0120.00713.87
5.6.10.0080.01214.04
5.6.00.0160.00814.00
5.5.380.0130.00510.93
5.5.370.0070.01111.06
5.5.360.0120.00310.82
5.5.350.0200.03815.65
5.5.340.0090.02014.38
5.5.330.0090.04415.38
5.5.320.0180.02615.59
5.5.310.0190.02315.61
5.5.300.0090.04414.27
5.5.290.0070.04214.41
5.5.280.0070.02815.70
5.5.270.0070.03715.87
5.5.260.0120.04215.82
5.5.250.0090.04115.72
5.5.240.0200.03515.51
5.5.230.0090.00410.67
5.5.220.0000.01310.75
5.5.210.0070.00711.00
5.5.200.0080.00310.55
5.5.190.0060.00610.70
5.5.180.0050.00810.95
5.5.170.0130.00814.14
5.5.160.0090.00411.00
5.5.150.0080.00810.98
5.5.140.0130.00410.93
5.5.130.0150.00011.01
5.5.120.0100.00310.61
5.5.110.0130.00410.93
5.5.100.0150.00510.65
5.5.90.0230.00010.65
5.5.80.0210.00410.78
5.5.70.0110.00710.79
5.5.60.0150.00410.25
5.5.50.0110.00410.51
5.5.40.0160.00610.84
5.5.30.0210.00810.94
5.5.20.0170.00310.64
5.5.10.0160.00310.77
5.5.00.0140.00910.80
5.4.450.0330.03814.89
5.4.440.0420.02615.01
5.4.430.0380.03015.05
5.4.420.0340.03215.11
5.4.410.0370.02914.92
5.4.400.0590.02414.89
5.4.390.0430.02814.76
5.4.380.0390.03314.86
5.4.370.0410.03515.02
5.4.360.0470.02814.80
5.4.350.0610.02814.89
5.4.340.0410.03515.07
5.4.330.0070.00710.82
5.4.320.0510.02914.94
5.4.310.0420.02814.81
5.4.300.0480.02714.82
5.4.290.0510.02814.83
5.4.280.0360.03614.89
5.4.270.0460.02714.80
5.4.260.0450.03214.97
5.4.250.0390.03314.73
5.4.240.0540.02715.12
5.4.230.0500.02814.82
5.4.220.0570.02714.71
5.4.210.0520.03214.89
5.4.200.0450.02813.69
5.4.190.0480.03014.69
5.4.180.0470.03214.97
5.4.170.0440.03214.75
5.4.160.0430.03314.98
5.4.150.0490.02615.01
5.4.140.0480.03013.64
5.4.130.0400.03013.56
5.4.120.0440.02913.44
5.4.110.0510.02313.63
5.4.100.0410.03613.46
5.4.90.0410.03313.69
5.4.80.0470.02713.68
5.4.70.0530.03113.59
5.4.60.0220.03513.40
5.4.50.0090.02913.62
5.4.40.0170.02813.51
5.4.30.0240.02413.52
5.4.20.0170.04013.61
5.4.10.0210.00010.70
5.4.00.0210.00710.61

preferences:
58.5 ms | 400 KiB | 5 Q