3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( null ?? 'thing' ); echo '2'; var_dump( false ?? 'thing' ); var_dump( '' ?? 'thing' ); var_dump( ' ' ?? 'thing' ); var_dump( 0 ?? 'thing' ); var_dump( [] ?? 'thing' );

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)
8.3.70.0090.00916.25
8.3.60.0070.01416.50
8.3.50.0110.00821.98
8.3.40.0070.00718.63
8.3.30.0030.01318.70
8.3.20.0050.00220.29
8.3.10.0060.00323.45
8.3.00.0090.00019.38
8.2.190.0070.01416.75
8.2.180.0170.00316.50
8.2.170.0040.01122.96
8.2.160.0120.00320.39
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00926.16
8.2.120.0000.00917.50
8.2.110.0070.00321.04
8.2.100.0040.00817.47
8.2.90.0070.00019.13
8.2.80.0050.00317.97
8.2.70.0040.00417.38
8.2.60.0040.00417.68
8.2.50.0090.00018.07
8.2.40.0000.00719.16
8.2.30.0030.00520.63
8.2.20.0000.00717.68
8.2.10.0050.00317.88
8.2.00.0040.00417.91
8.1.280.0150.00025.92
8.1.270.0000.00724.66
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0030.00623.86
8.1.230.0040.00722.63
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0000.00817.22
8.1.190.0080.00017.10
8.1.180.0000.00818.10
8.1.170.0050.00520.29
8.1.160.0000.00721.85
8.1.150.0000.00718.77
8.1.140.0040.00419.51
8.1.130.0030.00317.52
8.1.120.0050.00217.30
8.1.110.0000.00817.22
8.1.100.0000.00717.33
8.1.90.0000.00717.29
8.1.80.0030.00517.21
8.1.70.0000.00717.31
8.1.60.0040.00417.47
8.1.50.0030.00617.41
8.1.40.0030.00517.32
8.1.30.0070.00717.51
8.1.20.0040.00417.49
8.1.10.0070.00017.41
8.1.00.0080.00017.43
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0070.00018.29
8.0.270.0030.00317.19
8.0.260.0030.00317.19
8.0.250.0000.00816.89
8.0.240.0060.00316.79
8.0.230.0040.00416.90
8.0.220.0040.00416.82
8.0.210.0000.00716.84
8.0.200.0060.00016.88
8.0.190.0030.00516.93
8.0.180.0040.00416.77
8.0.170.0030.00616.73
8.0.160.0030.00316.72
8.0.150.0000.00716.83
8.0.140.0000.00716.68
8.0.130.0000.00813.32
8.0.120.0080.00016.77
8.0.110.0050.00316.82
8.0.100.0040.00316.74
8.0.90.0000.00816.89
8.0.80.0090.00616.87
8.0.70.0030.00516.63
8.0.60.0000.00716.70
8.0.50.0030.00516.79
8.0.30.0140.00717.00
8.0.20.0120.00917.40
8.0.10.0080.00016.76
8.0.00.0150.00516.65
7.4.330.0020.00215.08
7.4.320.0080.00016.37
7.4.300.0030.00316.45
7.4.290.0030.00316.36
7.4.280.0060.00316.27
7.4.270.0000.00716.46
7.4.260.0000.00716.39
7.4.250.0000.00716.43
7.4.240.0050.00316.40
7.4.230.0030.00316.38
7.4.220.0140.00316.55
7.4.210.0070.01116.46
7.4.200.0030.00316.57
7.4.160.0070.01016.64
7.4.150.0160.00617.40
7.4.140.0080.01317.86
7.4.130.0060.01316.44
7.4.120.0110.00616.36
7.4.110.0030.01516.33
7.4.100.0070.01116.48
7.4.90.0120.00616.28
7.4.80.0100.00819.39
7.4.70.0140.00316.46
7.4.60.0170.00316.36
7.4.50.0080.00016.39
7.4.40.0040.01416.30
7.4.30.0070.01416.36
7.4.10.0040.01414.89
7.4.00.0100.00714.90
7.3.330.0000.00513.14
7.3.320.0060.00013.07
7.3.310.0000.00816.15
7.3.300.0040.00416.06
7.3.290.0060.00916.22
7.3.280.0050.01116.23
7.3.270.0090.00917.40
7.3.260.0140.00316.11
7.3.250.0120.00516.25
7.3.240.0110.01016.24
7.3.230.0100.01016.39
7.3.210.0100.00616.17
7.3.200.0060.00916.45
7.3.190.0070.01316.20
7.3.180.0100.00716.23
7.3.170.0030.01416.32
7.3.160.0110.00416.29
7.3.130.0060.00914.67
7.3.120.0060.00914.57
7.3.110.0100.01014.59
7.3.100.0060.01014.67
7.3.90.0070.01414.75
7.3.80.0130.00614.68
7.3.70.0070.00714.79
7.3.60.0090.00614.72
7.3.50.0070.00714.83
7.3.40.0080.00414.80
7.3.30.0120.00314.82
7.3.20.0070.01016.57
7.3.10.0040.01116.66
7.3.00.0060.01116.54
7.2.330.0120.00616.50
7.2.320.0150.00316.31
7.2.310.0070.01116.40
7.2.300.0130.00316.25
7.2.290.0030.01916.25
7.2.260.0000.02014.79
7.2.250.0000.01914.79
7.2.240.0070.00714.84
7.2.230.0070.00314.85
7.2.220.0130.00614.65
7.2.210.0070.01014.95
7.2.200.0080.00414.73
7.2.190.0180.00014.92
7.2.180.0070.00714.90
7.2.170.0030.01315.07
7.2.160.0100.00614.88
7.2.150.0060.00916.75
7.2.140.0070.01116.77
7.2.130.0050.01216.59
7.2.120.0070.00816.64
7.2.110.0070.01016.63
7.2.100.0100.00216.65
7.2.90.0080.00616.72
7.2.80.0070.00916.74
7.2.70.0070.00916.77
7.2.60.0100.00516.75
7.2.50.0040.00816.73
7.2.40.0030.01016.86
7.2.30.0030.01116.54
7.2.20.0040.00816.68
7.2.10.0070.00616.73
7.2.00.0050.00817.58
7.1.330.0030.00915.77
7.1.320.0070.01115.41
7.1.310.0000.01315.51
7.1.300.0040.01615.32
7.1.290.0110.00815.47
7.1.280.0090.00315.47
7.1.270.0030.00715.50
7.1.260.0040.01215.70
7.1.250.0080.00915.63
7.1.240.0090.00615.72
7.1.230.0090.00215.58
7.1.220.0050.01015.44
7.1.210.0050.00715.65
7.1.200.0110.00615.61
7.1.190.0030.00815.74
7.1.180.0030.00915.61
7.1.170.0050.00515.64
7.1.160.0070.00715.60
7.1.150.0090.00315.52
7.1.140.0050.00715.73
7.1.130.0050.00715.71
7.1.120.0050.00915.71
7.1.110.0020.00915.64
7.1.100.0050.00516.43
7.1.90.0040.00815.55
7.1.80.0050.00915.60
7.1.70.0040.00615.99
7.1.60.0110.00716.92
7.1.50.0070.00616.11
7.1.40.0050.00815.64
7.1.30.0050.00715.62
7.1.20.0080.00415.53
7.1.10.0050.00715.56
7.1.00.0070.02917.70
7.0.330.0110.00315.32
7.0.320.0040.00715.11
7.0.310.0040.00715.42
7.0.300.0030.00715.30
7.0.290.0090.00415.10
7.0.280.0090.00415.30
7.0.270.0040.00815.20
7.0.260.0040.00415.27
7.0.250.0050.00815.36
7.0.240.0050.00715.34
7.0.230.0030.01015.13
7.0.220.0100.00315.13
7.0.210.0030.01015.43
7.0.200.0170.00915.09
7.0.190.0020.00915.19
7.0.180.0030.01215.27
7.0.170.0030.00915.00
7.0.160.0070.00515.18
7.0.150.0040.00615.22
7.0.140.0030.01015.26
7.0.130.0050.00715.30
7.0.120.0060.00315.52
7.0.110.0070.00715.25
7.0.100.0040.00915.29
7.0.90.0040.00515.31
7.0.80.0110.00215.43
7.0.70.0040.00915.39
7.0.60.0040.01916.81
7.0.50.0060.02916.16
7.0.40.0060.03515.51
7.0.30.0170.02515.61
7.0.20.0070.01915.47
7.0.10.0050.02515.46
7.0.00.0040.03515.65
5.6.400.0080.00313.79
5.6.390.0060.00614.14
5.6.380.0030.00814.27
5.6.370.0090.00614.18
5.6.360.0060.01014.18
5.6.350.0070.00714.29
5.6.340.0030.01214.26
5.6.330.0090.00413.94
5.6.320.0060.00613.96
5.6.310.0040.00614.21
5.6.300.0080.00813.97
5.6.290.0030.01213.96
5.6.280.0020.01616.37
5.6.270.0030.00714.07
5.6.260.0030.00914.09
5.6.250.0030.01114.21
5.6.240.0030.00814.11
5.6.230.0020.00813.98
5.6.220.0060.00914.30
5.6.210.0100.02616.25
5.6.200.0070.02915.45
5.6.190.0060.02216.16
5.6.180.0160.01516.22
5.6.170.0130.02216.27
5.6.160.0080.03216.19
5.6.150.0060.03415.47
5.6.140.0080.01915.37
5.6.130.0010.02515.37
5.6.120.0120.02916.47
5.6.110.0060.03316.46
5.6.100.0060.03216.33
5.6.90.0080.03216.45
5.6.80.0050.03116.17
5.6.70.0070.00514.02
5.6.60.0040.00713.94
5.6.50.0000.01614.04
5.6.40.0090.00513.98
5.6.30.0030.01014.02
5.6.20.0020.01414.02
5.6.10.0070.00814.03
5.6.00.0060.00713.98
5.5.380.0070.00412.35
5.5.370.0020.00812.50
5.5.360.0080.00512.53
5.5.350.0160.02815.16
5.5.340.0040.02414.19
5.5.330.0060.02915.13
5.5.320.0110.02515.20
5.5.310.0090.03415.08
5.5.300.0070.01314.42
5.5.290.0030.02214.35
5.5.280.0080.02615.27
5.5.270.0070.01715.20
5.5.260.0100.02715.20
5.5.250.0040.02015.06
5.5.240.0040.03215.14
5.5.230.0030.00612.46
5.5.220.0080.00512.26
5.5.210.0060.00712.32
5.5.200.0000.00912.58
5.5.190.0070.00812.50
5.5.180.0060.00812.45
5.5.170.0060.00512.43
5.5.160.0030.00812.50
5.5.150.0060.00312.53
5.5.140.0070.00512.57
5.5.130.0010.01012.50
5.5.120.0050.00412.22
5.5.110.0010.00712.25
5.5.100.0050.00712.36
5.5.90.0060.00612.25
5.5.80.0040.00512.53
5.5.70.0070.00512.29
5.5.60.0040.00612.30
5.5.50.0050.00512.26
5.5.40.0030.00612.28
5.5.30.0030.00912.35
5.5.20.0010.00712.41
5.5.10.0030.00812.28
5.5.00.0020.01112.32
5.4.450.0100.02014.27
5.4.440.0100.02114.28
5.4.430.0090.02014.15
5.4.420.0110.01814.28
5.4.410.0100.02014.14
5.4.400.0110.02214.13
5.4.390.0090.02114.21
5.4.380.0080.02314.07
5.4.370.0080.02014.12
5.4.360.0050.02514.04
5.4.350.0070.02614.05
5.4.340.0080.03014.06
5.4.330.0030.00511.48
5.4.320.0110.02814.07
5.4.310.0080.02414.01
5.4.300.0110.02014.18
5.4.290.0130.02214.13
5.4.280.0120.02014.27
5.4.270.0090.02114.04
5.4.260.0100.01914.13
5.4.250.0070.02414.11
5.4.240.0070.02214.14
5.4.230.0090.02014.09
5.4.220.0110.02214.07
5.4.210.0080.02014.06
5.4.200.0060.02214.14
5.4.190.0080.01914.02
5.4.180.0080.02113.97
5.4.170.0080.02114.14
5.4.160.0050.02313.99
5.4.150.0100.01614.18
5.4.140.0080.01913.19
5.4.130.0060.02213.26
5.4.120.0040.02213.26
5.4.110.0110.01913.18
5.4.100.0070.02813.19
5.4.90.0070.02113.22
5.4.80.0100.01713.27
5.4.70.0100.01913.16
5.4.60.0080.02013.26
5.4.50.0090.01813.17
5.4.40.0090.01713.27
5.4.30.0060.02313.28
5.4.20.0080.02513.31
5.4.10.0120.02113.24
5.4.00.0110.01913.02

preferences:
71.36 ms | 401 KiB | 5 Q